Which one is better: running x miles in 30 mintues, or covering the same distance in 20 mintues?

Which one is better: running x miles in 30 mintues, or covering the same distance in 20 mintues?
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1 Answer

Answer :

That sounds a little like “Who’s on first.” Why not ask a trainer or a phys. ed person if you are still in school. And wouldn’t running faster (for as long as you can stay upright) get your heart beating faster and perhaps make it more efficient?
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A boat running downstream covers a distance of 20 km in 5 hours while for covering the same distance upstream, it takes 10 hours. What is the speed of the stream? a) 2km/hr b) 4km/hr c) 1km/hr d) 1.5 km/hr e) None of these

Description : A boat running downstream covers a distance of 20 km in 5 hours while for covering the same distance upstream, it takes 10 hours. What is the speed of the stream? a) 2km/hr b) 4km/hr c) 1km/hr d) 1.5 km/hr e) None of these

Last Answer : c Rate of downstream=(20 / 5 ) kmph= 4kmph Rate of upstream =( 20/10) kmph= 2kmph Therefore Speed of the stream= (1/2)(4 - 2) kmph= 1 kmph

What is 30 mintues as a fraction?

Description : What is 30 mintues as a fraction?

Last Answer : 30 minutes as a fraction is 1/2 an hour

In covering a definite distance, the speeds of P & Q are in the ratio of 5:6. P takes 45 mins more than Q to reach the target. The time taken by P to reach the target is. a) 4 hrs 20 mins b) 4 hrs 45 mins c) 2hrs 30 mins d) 4hrs 30 mins

Description : In covering a definite distance, the speeds of P & Q are in the ratio of 5:6. P takes 45 mins more than Q to reach the target. The time taken by P to reach the target is. a) 4 hrs 20 mins b) 4 hrs 45 mins c) 2hrs 30 mins d) 4hrs 30 mins

Last Answer : D Ratio of speeds = 5:6 Ratio of time =6:5 Suppose P takes 6x hrs and Q takes 5x hrs to reach the target. Then, 6x – 5x = 45/60 X=3/4 Time taken by P = 6x hrs =(6*3/4)hrs =4.5 hrs i.e., the time taken by P to reach the target is 4hrs 30mins

What is the ratio of 24 mintues to 2 hours?

Description : What is the ratio of 24 mintues to 2 hours?

Last Answer : Just convert the 2 hours to minutes. Then you have the ratio:24minutes : (the equivalent of 2 hours)Which, if you wish, you can then simplify.

Robert travels from his home to anna park at a distance of 125 miles in 11/4 hrs. He returns to home in 2 hrs 15 mints. His average speed is. a) 50 b) 40 c) 30 d) 20

Description : Robert travels from his home to anna park at a distance of 125 miles in 11/4 hrs. He returns to home in 2 hrs 15 mints. His average speed is. a) 50 b) 40 c) 30 d) 20 

Last Answer : A Speed from home to annapark: (125*4/11)mph = (500/11)mph Speed from annapark to home: (125*4/9)mph = (500/9) mph Average speed = 2xy / (x+y) mph =[(2*500/11 *500/9) / (500/11+500/9)]mph =(500000/99) / ((4500+5500)/99) =(500000/99) / 10000 /99 =50mph

In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is? a) 5 kmph b) 6 kmph c) 6.25 kmph d) 7.5 kmph e) None of these

Description : In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is? a) 5 kmph b) 6 kmph c) 6.25 kmph d) 7.5 kmph e) None of these

Last Answer : Let Abhay's speed be x km/hr. Then, 30/x-30/2x= 3 6x = 30 x = 5 km/hr. Answer: a)

Covering more than 194,000 square miles of the Iberian peninsula, what is the southernmost country in continental Europe?

Description : Covering more than 194,000 square miles of the Iberian peninsula, what is the southernmost country in continental Europe?

Last Answer : Spain

A camel travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the camel's legs must be one mile ahead of the other two legs, but of course this can't be true. Since the camel is normal, how is this situation possible? -Riddles

Description : A camel travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the camel's legs ... of course this can't be true. Since the camel is normal, how is this situation possible? -Riddles

Last Answer : The camel operates a mill and travels in a circular clockwise direction. The two outside legs will travel a greater distance than the two inside legs.

A camel travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the camel's legs must be one mile ahead of the other two legs, but of course this can't be true.Since the camel is normal, how is this situation possible? -Riddles

Description : A camel travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the camel's legs ... but of course this can't be true.Since the camel is normal, how is this situation possible? -Riddles

Last Answer : The camel operates a mill and travels in a circular clockwise direction. The two outside legs will travel a greater distance than the two inside legs.

A horse travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the horse's legs must be one mile ahead of the other two legs, but of course this can't be true, since the horse is normal. How is this possible? -Riddles

Description : A horse travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the horse's legs must be ... , but of course this can't be true, since the horse is normal. How is this possible? -Riddles

Last Answer : The horse operates a mill and travels in a circular clockwise direction. The two outside legs will travel a greater distance than the two inside legs.

A pedal boat can cover 20km in 1 hr in still water. And it takes thrice as much as time to cover up than as to cover down the same distance in running water. The speed of the current is. A) 7.5 km/hr B) 20 km/hr C) 5 km/hr D) 10 km/hr

Description : A pedal boat can cover 20km in 1 hr in still water. And it takes thrice as much as time to cover up than as to cover down the same distance in running water. The speed of the current is. A) 7.5 km/hr B) 20 km/hr C) 5 km/hr D) 10 km/hr

Last Answer : ANSWER : D Explanation: Let the speed of upstream be x' km/hr Then speed in downstream = 3x km/hr[thrice as much as time to cover up than as to cover down the same distance in running water] Speed in ...  Speed in downstream = 30 km/hr  Hence speed of the current = (30 -10)/2  = 10 km/hr.

In a long distance raceClont takes 8 minutes to run around a villagewhile Miles takes 9 minutes.If the race consists of 20 laps around the villageat what times do Clint and Miles meet?

Description : In a long distance raceClont takes 8 minutes to run around a villagewhile Miles takes 9 minutes.If the race consists of 20 laps around the villageat what times do Clint and Miles meet?

Last Answer : 56

Anyone have a long(er) lasting solution to covering/sealing a cut thumb?

Description : Anyone have a long(er) lasting solution to covering/sealing a cut thumb?

Last Answer : Superglue did not work? I know on jobsites many times we used electrical tape over some kind of bandage/napkin to hold it in place. It is semiwaterproof and sticks to the skin in an acceptable manner.

Name the state in India through which the standard meridian of India and the Tropic of Cancer pass covering the longest distance. -SST 10th

Description : Name the state in India through which the standard meridian of India and the Tropic of Cancer pass covering the longest distance. -SST 10th

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The average speed of a bus in the upward journey is 50% more than that in the return journey. The bus halts for 2 hrs on reaching the destination. The total time taken for the complete to and from trip is 34 hrs covering a distance of 1600 km. the speed of the bus in the upward journey is. a) 63.24 b) 65.67 c) 63.49 d) 62.49

Description : The average speed of a bus in the upward journey is 50% more than that in the return journey. The bus halts for 2 hrs on reaching the destination. The total time taken for the complete to and from trip is 34 hrs ... speed of the bus in the upward journey is. a) 63.24 b) 65.67 c) 63.49 d) 62.49

Last Answer : D Let the speed in return journey be x km/hr Then speed in upward journey = 150 /100 x = (3/2 x)km/hr Average speed = (2*3x/2*x) / (3x/2 +x) =3x2 / (5x/2) =6x2 / 5x =6x/5 km/hr Therefore (1600 ... 192x = 8000 X = 41.66 Speed in upward journey = (3/2 x ) km/hr =(3/2*41.66) =62.49 km/hr 

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train? A.27 7/9 m B.28 m C.29 m D.30 2/7 m E.None of these

Description : Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train? A.27 7/9 m B.28 m C.29 m D.30 2/7 m E.None of these 

Last Answer : Answer – A (27 7/9 m) Explanation – When SAME direction- MINUS Relative speed = (40-20) km/hr = [20 x 5/18] m/sec = [50/9] m/sec. Length of faster train = sxt=[50/9 x 5] m = 250/9 m = 27 7/9 m.

Find the missing numbers in the following table. (i) Changing kilometers into miles. `{:("Numbers of kilometers",5,10,15,20,25,30),("Number of miles",

Description : Find the missing numbers in the following table. (i) Changing kilometers into miles. `{:("Numbers of kilometers",5,10,15,20,25,30),("Number of miles",

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A this usual rowing rate, Mohit can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24 miles round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour? A.2.5m/hr B.4 m/hr C.8/3 m/hr D. 5/3m/hr

Description : A this usual rowing rate, Mohit can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24 miles round trip, ... current in miles per hour? A.2.5m/hr B.4 m/hr C.8/3 m/hr D. 5/3m/hr

Last Answer : Answer-C Basic Formula: Speed of the stream = ½ (a-b) km/hr Explanation: Let the speed in still water be x m/hr Speed of stream be y m/hr Then, speed upstream = x-y m/hr and Speed downstream = x+y m/hr 12/x-y - ... 1] 3y^2 = 8 y so, y = 8/3 speed of the current = 8/3 m/hr = 2 (2/3) m/hr

Thanu can travel 24 miles downstream in a certain river in 12hrs less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 48 mile round trip, the downstream 24 miles would then take only 2hr less than the upstream 24miles. What is the speed of the current in miles per hour? A) 2 / 3 miles/hr B) 8 / 3 miles/hr C) 7 / 5 miles/hr D) 3 / 5 miles/hr

Description : Thanu can travel 24 miles downstream in a certain river in 12hrs less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 48 mile round trip, the downstream 24 miles would ... 3 miles/hr B) 8 / 3 miles/hr C) 7 / 5 miles/hr D) 3 / 5 miles/hr 

Last Answer : ANSWER : B 

if- a highway on a map can be approximated by the line y = x + 1, where x and y are in tens of miles. Which of these is the distance from a house at point P(4, -3) to the highway?

Description : if- a highway on a map can be approximated by the line y = x + 1, where x and y are in tens of miles. Which of these is the distance from a house at point P(4, -3) to the highway?

Last Answer : 4v/ 2 ~5.7

what- A highway on a map can be approximated by the line y = x + 1, where x and y are in tens of miles. Which of these is the distance from a house at point P(4, -3) to the highway?

Description : what- A highway on a map can be approximated by the line y = x + 1, where x and y are in tens of miles. Which of these is the distance from a house at point P(4, -3) to the highway?

Last Answer : 4v/ 2~5.7

We can prevent infectious diseases by covering our face with our hands or using handkerchief during sneezing and coughing. Why is it better to use the back of the hand or the fold of the elbow than the palm of the hand ?

Description : We can prevent infectious diseases by covering our face with our hands or using handkerchief during sneezing and coughing. Why is it better to use the back of the hand or the fold of the elbow than the palm of the hand ?

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How long will it take me to walk 6 miles if it takes me 10 hours to walk 30 miles at the same speed?

Description : How long will it take me to walk 6 miles if it takes me 10 hours to walk 30 miles at the same speed?

Last Answer : It will take you two hours to walk six miles.

When the fuel economy of a 20 miles per gallon car is averaged with that of a 40 miles per gallon car and both cars are driven the same number of miles per year, the resulting average, in miles per gallon, is:

Description : When the fuel economy of a 20 miles per gallon car is averaged with that of a 40 miles per gallon car and both cars are driven the same number of miles per year, the resulting average, in miles per gallon, is: 

Last Answer : ANSWER: 26.7 (MILES PER GALLON) (Accept 25.7 TO 27.7)

Which is more beneficial - walking 6 miles in the morning - or 3 miles twice a day?

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Is walking one or two miles a few times a week comparable to going to the gym?

Description : Is walking one or two miles a few times a week comparable to going to the gym?

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How much would it cost to move a 20 X 20 log cabin via skycrane 10 miles?

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The energy dissipated when a car hits a tree at 70 miles per hour is ABOUT how much greater than that dissipated at 50 miles per hour? w) 20 percent x) 40 percent y) 70 percent z) 100 percent

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When a man left home running he ran a ways and then turned left ran the same distance and turned left again when he got home there were 2 masked men who wEre they?

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Last Answer : The catcher and the umpire (at a Baseball game.)

A motorboat running upstream takes 4 hrs 24 mins to cover a certain distance, while it takes 2hrs to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively? A) 8:3 B) 5:2 C) 3:7 D) 2:4

Description : A motorboat running upstream takes 4 hrs 24 mins to cover a certain distance, while it takes 2hrs to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively? A) 8:3 B) 5:2 C) 3:7 D) 2:4

Last Answer : ANSWER : A Explanation: Let the man's rate upstream be x'km/hr and downstream be y'km/hr Then distance covered upstream by 4hrs 24mints = distance covered by downstream in 2hrs (x * 4 2/5) = y *2 22x/5 = 2y Y = ... = (y+x/2) : (y -x/2) = 16x/10 : 6x/10 = 16x : 6x = 8:3

The distance from the Earth to the Sun is about 100 million miles. The speed of light is 186,000 miles per second, and light takes eight minutes to reach the Earth from the Sun. Let's say the Sun rose at 6am this morning, and that by some freak of physics the speed of light is suddenly doubled to 372,000 miles a second.What time will the Sun rise tomorrow? -Riddles

Description : The distance from the Earth to the Sun is about 100 million miles. The speed of light is 186,000 miles per second, and light takes eight minutes to reach the Earth from the Sun. Let's say the ... of light is suddenly doubled to 372,000 miles a second.What time will the Sun rise tomorrow? -Riddles

Last Answer : 6am again. After all, what diffrence does the speed of light make to the answer? It's irrelevant- only the speed of the roation of the Earth matters here.

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What is the approximate distance in miles from the northwest point of the original 13 states to the southernmost point?

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What If Sound travels at a speed of about 760 miles per hour and you are located at a distance of 19 miles from a very loud explosion approximately how long will it take from the time of the explosion?

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In a thunderstorm the formula M t 5.1 Mt5.1 gives the approximate distance M M in miles from a lightning strike if it takes t t seconds to hear the thunder after seeing the lightning. If you are 8.9 m?

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Description : How many miles is a 10k distance?

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he crossed the breadth of the Eastern Hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73000 miles: he was world's greatest traveler of Pre-modern times A. Megasthenes B. Fahien C. Marco Polo D. Ibn-e-Batuta

Description : he crossed the breadth of the Eastern Hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73000 miles: he was world's greatest traveler of Pre-modern times A. Megasthenes B. Fahien C. Marco Polo D. Ibn-e-Batuta

Last Answer : ANSWER: C

he crossed the breadth of the Eastern Hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73000 miles: he was world's greatest traveler of Pre-modern times A. Megasthenes B. Fahien C. Marco Polo D. Ibn-e-Batuta

Description : he crossed the breadth of the Eastern Hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73000 miles: he was world's greatest traveler of Pre-modern times A. Megasthenes B. Fahien C. Marco Polo D. Ibn-e-Batuta

Last Answer : ANSWER: C

he crossed the breadth of the Eastern Hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73000 miles: he was world's greatest traveler of Pre-modern times A. Megasthenes B. Fahien C. Marco Polo D. Ibn-e-Batuta

Description : he crossed the breadth of the Eastern Hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73000 miles: he was world's greatest traveler of Pre-modern times A. Megasthenes B. Fahien C. Marco Polo D. Ibn-e-Batuta

Last Answer : ANSWER: C

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India’s territorial water extends up U9to a distance of ? (a) 19.2 miles (b) 12 nautical miles (c) 200 nautical miles (d) 12 km

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Three friends X, Y and Z run a running race, Y finished 12 meters ahead of Z and 18 m ahead of X, while Z finished 8m ahead of X. If each friends runs the entire distance at their respective constant speeds, what is the length of the race? a) 16m b) 48m c) 24m d) 12m

Description : Three friends X, Y and Z run a running race, Y finished 12 meters ahead of Z and 18 m ahead of X, while Z finished 8m ahead of X. If each friends runs the entire distance at their respective constant speeds, what is the length of the race? a) 16m b) 48m c) 24m d) 12m 

Last Answer : B Let the length of the race track be 'd'. When Y finished the race, X and Z would have run (d−18) and (d−12) meters respectively. When Z finishes the race, X would have run (d-8) meters. The ratio of ... d2 -20d+96= d2 -18d 20d-18d=96 d=96/2=48m hence the length of the race track is 48m

14. An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image. -Physics-10

Description : 14. An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image. -Physics-10

Last Answer : Object distance (u) = - 20 cm Object height (h) = 5 cm Radius of curvature (R) = 30 cm Radius of curvature = 2 Focal length R = 2f f = 15 cm According to the mirror formula, ... image height indicates that the image formed is erect. Hence, the image formed is erect, virtual, and smaller in size.

An object is placed on the principal axis of a convex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed? (1) 20 cm (2) 15 cm (3) 30 cm (4) 10 cm

Description : An object is placed on the principal axis of a convex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed? (1) 20 cm (2) 15 cm (3) 30 cm (4) 10 cm

Last Answer : (2) 15 cm