Twelve flags stand equidistant along the track at the stadium. The runners start at the first flag. A runner reaches the eighth flag 8 seconds after he starts. If he runs at an even speed, how many seconds does he need altogether to reach the twelfth flag? -Riddles

Twelve flags stand equidistant along the track at the stadium. The runners start at the first flag. A runner reaches the eighth flag 8 seconds after he starts. If he runs at an even speed, how many seconds does he need altogether to reach the twelfth flag?  -Riddles
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1 Answer

Answer :

Not 12 seconds. There are 7 segments from the first flag tot the eighth, and 11 from the first to the twelfth. He runs each segment in 8/7 seconds; therefore, 11 segments take 88/7= 12 4/7 seconds.
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Related questions

In a 2700 m race around a round track of length 300m, abi and kabi meet at the end of the 3rd minute, for the first time after the start of the race. All the runners maintain uniform speed throughout the race. If abi runs at twice the speed of the kabi. Find the time taken by abi to finish the race. a) 27 mints b) 32 mints c) 5 mints d) 23 mints

Description : In a 2700 m race around a round track of length 300m, abi and kabi meet at the end of the 3rd minute, for the first time after the start of the race. All the runners maintain uniform speed throughout the race. ... time taken by abi to finish the race. a) 27 mints b) 32 mints c) 5 mints d) 23 mints

Last Answer : A As, abi is twice as fast as the kabi, abi would have completed two rounds by the time kabi completes one round. And that is their second meeting. Their first meeting takes place after the abi ... 300m ⇒He takes 2700/300 *3 =27 mints Hence he takes 27 minutes to finish the race.

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Description : In a 2280 m race Dinesh beats Aarav by 360 m or 6 seconds. In another race on the same track at the same speeds. Aarav and karthick start at one end while Dinesh starts at the opposite end. How many metres would Aarav ... is 16 m/sec more than that of karthick a) 1140 m b) 2280 m c) 2460 m d) 1180 m

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Last Answer : ANSWER:B Explanation:  First girl speed = 9km/hr  = 9 * 5 / 18 m/s  = 5/2 m/s  = 2.5 m/s  second girl speed = 10.8 km/hr  = 10.8 * 5/18 m/s  = 54/18  = 3 m/s  Let the speed of the train ... x - 3) * 17  16.8x - 42 = 17x - 51  0.2x = 9  x = 45  Therefore the speed of the train is 45 m/s

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Last Answer : ANSWER:A Explanation:  Speed of a girl = 15 km/hr  speed of train = 180 km/hr By using the condition, The speed values of train and the moving object are subtracted if they are moving in same ... /45.83 = 19.63  Hence the time taken by the train to cross the girl is 19.63seconds

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You and Hector are in the car. You are in the passenger seat while Hector is driving. Hector is very good at driving. He closes his eyes to scare you as he is driving.You look at him and see his eyes closed. Your heart starts pounding because there is something in the road and Hector has to swerve out of the way, but with his eyes closed he can't see it, yet he still swerved out of the way and kept driving perfectly. Along with his eyes being closed the whole time, you were also silent the whole time. How is that possible that he knew something was in the way with his eyes closed? -Riddles

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Last Answer : (C) One fifth

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Last Answer : One train comes at 8am and the other train came at 8pm.

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If a jogger runs 22 miles/hour for five hours. How far did the runner run in five hours?

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Last Answer : 110 miles

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Last Answer : Generally yes.

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Description : What are the regulations regarding flying the American flag and flags for branches of our military service?

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Which are the flags of status register: a. Over flow flag b. Carry flag c. Half carry flag d. Zero flag e. Interrupt flag f. Negative flag g. All of these

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The flag of Nepal is made up from how many flags? 1 Flag 2 Flags 3 Flags

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Last Answer : 15 min

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Last Answer : His plan is to dig the tunnel and pile up the dirt to climb up to the window to escape.

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Last Answer : His plan is to dig the tunnel and pile up the dirt to climb up to the window to escape.

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Last Answer : (2) 8 minutes Explanation: Light travels at 186,000 miles a second at the Earth is 93 million miles to Sun on average. This works out as 8.33 minutes for light from the Sun to reach Earth. ... is filtered through the Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon.

The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Description : The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Last Answer : 8 minutes

Anand leaves his house at 8.30 A.M for his school. The school is 2 km away and classes start at 9.00 A.M. If he walks at a speed of 3 km/h for the first kilometre, at what speed should he walk the second kilometre to reach just in time? -Science

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Last Answer : speed=distancetimespeed=distancetime or time=distancespeedtime=distancespeed For travelling 1 km with 3 km/hr, Time taken = 1/3 hr = 20 min Now he has to reach school in 30 min,So he has cover another 1 km in = 30 -20 =10 min= 1/6 hr So speed should = distance /time= 1/(1/6) = 6 km/hr

What is the qualifying time for the fastest 5 percent of all runners if the average finishing time is 5 minutes 17 seconds with standard deviation of 12 seconds?

Description : What is the qualifying time for the fastest 5 percent of all runners if the average finishing time is 5 minutes 17 seconds with standard deviation of 12 seconds?

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A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened. A club member knocked on the door and the doorman said, 'twelve.' The member replied, 'six ' and was let in. A second member came to the door and the doorman said, 'six.' The member replied, 'three' and was let in. The man thought he had heard enough and walked up to the door. The doorman said ,'ten' and the man replied, 'five.' But he was not let in. What should have he said? -Riddles

Description : A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened. A club member knocked on the door and the doorman said, 'twelve.' The member ... and the man replied, 'five.' But he was not let in. What should have he said? -Riddles

Last Answer : Three. The doorman lets in those who answer with the number of letters in the word the doorman says.

Two travellers spend from 12 o'clock to 6 o'clock walking along a level road, up a hill and back again. Their pace is 4 mph on the level, 3 mph uphill, and 6 mph downhill.How far do they walk and at what time do they reach the top of the hill? -Riddles

Description : Two travellers spend from 12 o'clock to 6 o'clock walking along a level road, up a hill and back again. Their pace is 4 mph on the level, 3 mph uphill, and 6 mph downhill.How far do they walk and at what time do they reach the top of the hill? -Riddles

Last Answer : 24 miles half past three.

While mixing sand, gravel, and cement for the foundation of a house, a worker noticed a small bird hopping along the top of the foundation wall. The bird misjudged a hop and fell down one of the holes between the blocks. The bird was down too far for anyone to reach it and the hole was too small for it to fly out of. Someone suggested using two sticks to reach down into the hole and pull the bird out, but this idea was rejected for fear it would injure the fragile bird. What would be the easiest way to get the bird out of the hole without injuring it? -Riddles

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Last Answer : Since they had plenty of sand available, they could pour a little at a time into the hole. The bird would constantly keep shifting its position so that it stood on the rising sand.

The Twelfth FYP start in – a) 1 st April-2011 b) 1 st April-2012 c) 1 st April-2013 d)1 st April-2014

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Last Answer : b) 1 st April-2012

A person runs opposite to that of chandigarh train at a speed of 10km/hr. If the relative speed between train and the boy running in opposite direction is 25km/hr. What is the length of the train, if it takes 10 seconds to cross a boy, when is at rest? A) 36.6 m B) 40.6 m C) 43.6m D) 41.6m

Description :  A person runs opposite to that of chandigarh train at a speed of 10km/hr. If the relative speed between train and the boy running in opposite direction is 25km/hr. What is the length of the train, if it takes 10 seconds to cross a boy, when is at rest? A) 36.6 m B) 40.6 m C) 43.6m D) 41.6m

Last Answer : ANSWER : D  Explanation: Speed of person = 10km/hr  As the train and the running person are moving in opposite direction,therir speed values are added to find the relative speed.  Relative speed = speed of train + speed of ... s  Distance = speed * time = 25 / 6 * 10 = 250/6 m/s = 41.6 m

What stores sell running spikes for track runners?

Description : What stores sell running spikes for track runners?

Last Answer : There are many stores that carry the spike running shoes. If you are interested in finding stores on line you can try a search that can produce multiple sources. An example would be the following: http://www.nextag.com/running-spikes/products-html

A Superfast train overtakes two persons walking along a railway track. The first one walks at 9 km/hr. The other one walks at 10.8 km/hr. The train needs 16.8and 17seconds respectively to overtake them. What is the speed of the train if both the persons are walking in the same direction as the train? A) 250 kmph B) 487kmph C) 162kmph D) 312kmph

Description : A Superfast train overtakes two persons walking along a railway track. The first one walks at 9 km/hr. The other one walks at 10.8 km/hr. The train needs 16.8and 17seconds respectively to overtake them. ... are walking in the same direction as the train? A) 250 kmph B) 487kmph C) 162kmph D) 312kmph

Last Answer : ANSWER:C Explanation:  Given that the first one walks at 9 km/hr convert the speed in the unit of m/sec  9 km/hr = (9*5/18) m/s  = 5/2 m/s  = 2.5 m/s  Another one walks at 10.8 km/hr ... the speed in the unit of km/hr  Speed of the train = (45*18/5)kmph  Speed of the train = 162 km/ hr

Which word is the odd one out: First, Second, Third, Forth, Fifth, Sixth, Seventh, and Eighth? -Riddles

Description : Which word is the odd one out: First, Second, Third, Forth, Fifth, Sixth, Seventh, and Eighth? -Riddles

Last Answer : Forth, is incorrectly spelled. It should be Fourth.

Which word is the odd one out: First Second Third Forth Fifth Sixth Seventh Eighth? -Riddles

Description : Which word is the odd one out: First Second Third Forth Fifth Sixth Seventh Eighth? -Riddles

Last Answer : Forth. It is incorrectly spelled.

A traveler, on his way to Miami, reaches a road junction, where he can turn left or right. He knows that only one of the two roads leads to Miami, but unfortunately, he does not know which one. Fortunately, he sees two twin-brothers standing at the road junction, and he decides to ask them for directions. The traveler knows that one of the two brothers always tells the truth and the other one always lies. Unfortunately, he does not know which one always tells the truth and which one always lies. How can the traveler find out the way to Miami by asking just one question to one of the two brothers? -Riddles

Description : A traveler, on his way to Miami, reaches a road junction, where he can turn left or right. He knows that only one of the two roads leads to Miami, but unfortunately, he does not know which one ... the traveler find out the way to Miami by asking just one question to one of the two brothers? -Riddles

Last Answer : The question that the traveler should ask is: 'Does the left road lead to Miami according to your brother?' If the answer is 'Yes', the traveler should turn right, and if the answer is 'No', the traveler should turn left.

What is red and blue, and purple and green? No one can reach it, not even the queen? -Riddles

Description : What is red and blue, and purple and green? No one can reach it, not even the queen? -Riddles

Last Answer : A Rainbow.

There are 3 poles M, N and O in a straight line such that point N is equidistant from points M and O. A boat can travel from point M to O downstream in 6 hours and from N to M upstream in 4 hours. Find the ratio of boat in still water to speed of stream. A) 2:3 B) 7:1 C) 3:2 D) 1:7

Description : There are 3 poles M, N and O in a straight line such that point N is equidistant from points M and O. A boat can travel from point M to O downstream in 6 hours and from N to M upstream in 4 hours. Find the ratio of boat in still water to speed of stream. A) 2:3 B) 7:1 C) 3:2 D) 1:7

Last Answer : ANSWER: B Explanation: Let speed in still water = x km/hr, of current = y km/hr Downstream speed = (x+y) km/hr Upstream speed = (x - y) km/hr Let MO = 2p km. So MN = NO = p km.  So 2p/(x+y) = 6 --------1  p/ ... - 2y) = 6x + 6y  8x - 8y = 6x +6y  2x = 14y  x/y = 14 / 2 = 7/1  x : y = 7 :1