Description : P walks around a circular field at the rate of two rounds per hour while Q runs around it at the rate of eight rounds per hour. They start in the opposite direction from the same point at 6.45 a.m. They shall first cross each other at? a) 6.45 a.m b) 6.50 a.m c) 7.51 a.m d) 6.51 a.m e) 7.45 am
Last Answer : d Since P and Q move in the opposite direction along the circular field, so they will first meet each other when there is a difference of one round between the two. Relative speed of P and Q = 8+2 = 10 rounds per hour. Time ... 1/10 hr = 6 min. 6 Hrs 45 min + 6 min = 6 hrs 51 min i.e, 6.51 a.m
Description : A man walks 3 Km to his East then turns left and walks 3 Km towards North then turns left and walks 3Km towards West Indicate the correct direction in which he is in relation to his starting point: A. East B. West C. South D. North
Last Answer : ANSWER: B
Description : If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping (A) It is possible to set offsets correctly on east side (B) It is possible to ... possible to set offsets correctly on west side (D) It is possible to set offsets correctly on both sides
Last Answer : (D) It is possible to set offsets correctly on both sides
Description : A man walks 30 m towards north, then 20 m, towards east and in the last `30sqrt(2)` m towards south - west. The displacement from origin is :
Last Answer : A man walks 30 m towards north, then 20 m, towards east and in the last `30sqrt(2)` m towards ... north west D. `60 sqrt 2m`. Towards north east
Description : A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is along x-axis. The work done by the field is
Last Answer : A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is ... qEa` B. `+qEa` C. `-2qEa` D. `2qEa`
Description : A train overtakes two girls walking along a railway track. The first girl walks at 9 km/hr. The other girl walks at 10.8 km/hr. The train needs 16.8 and 17 seconds respectively to overtake them. What is the speed of the ... in the same direction as the train? A) 25 m/s B) 45 m/s C) 30m/s D) 40m/s
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
Description : A women leaves her hut and walks 2 km West, then she turns North and walks 7 km, then she turns East and walks 1 km, then she turns South and walks 3 km, then she turns to her left and walks 1 km to reach the well ... her hut? Options: 1) 4 km South 2) 10 km North 3) 10 km South 4) 4 km North
Last Answer : Correct Answer: 4 km North
Description : A person walks 10 m infront and 10 m to the right. Then every time turning to his left, he walks 5, 15 and 15 m respectively. How far is he now from his starting point? (A) 20 m (B) 15 m (C) 10 m (D) 5 m
Last Answer : Answer: D
Description : A person walks from point P to point Q along a straight road ¡n 10 minutes, then turns back and returns to point R which is midway
Last Answer : A person walks from point P to point Q along a straight road n 10 minutes, then turns back and ... velocity of the person in going from P to R.
Description : Ravi walks to and fro to a Gym. He spends 30 minutes in gym. If he walks at speed of 20 km an hour, he returns to home at 8.00 a.m. If he walks at 30 km an hour, he returns to home at 7.30 a.m. How fast must he walk in order to return at 7.15 hours? a) 40 km/hr b) 30 km/hr c) 60 km/hr d) 50 km/hr
Last Answer : A As per the question, let D be the total distance and ‘t’ is the time taken. So we have: D=20t 20t =30(t-0.5) 20t=30t-15 10t=15 t=3/2 D= 30 km Now, for the condition given we have: 30=S(t-3/4) 30=S(3/2-3/4) 30=S((6-3)/4) 30=S(3/4) S=40 km/hr
Description : The resultant of a force acting on a body will be zero, if the body a.Rotates with uniform acceleration b.Moves along a curved path c.Rotates d.Does not rotate e.Rotates with uniform deceleration
Last Answer : d. Does not rotate
Description : Critical path moves along the activities having total float as (a) Positive (b) Negative ( c) Zero (d) Unity
Last Answer : ( c) Zero
Description : As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move
Last Answer : ANSWER: W -- VIBRATE IN A PATH PARALLEL TO THE PATH OF THE WAVE
Description : A man walks a distance of 3 units from the origin towards the North-East `(N45^0E)` direction.From there, he walks a distance of 4 units towards the N
Last Answer : A man walks a distance of 3 units from the origin towards the North-East `(N45^0E)` direction.From there, he walks ... ^(ipi/4)` D. `(3+4i)e^(ipi/4)`
Description : If a person walks 3 blocks East and 4 blocks North what is the displacement of the person?
Last Answer : 5 blocks
Description : An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10 m/s, what will be its speed 2 s later? -Science
Last Answer : u=10 m/s,t=2 s, a=2 m/s2 v=u+atv=u+at v=10+2×2=14v=10+2×2=14 m/s
Description : A cyclist moves due east at 8 km/h for half an hour and then turns exactly south-wards for another half an hour at 6 km/h. The average velocity of the cyclist for the period is (a) 5 km/h (b) 7 km/h (c) 10 km/h (d) 14 km/h
Last Answer : Ans:(a)
Description : If you don't have a fenced in yard, yet you plan on many daily walks and runs at the dog park, would it be wise to get a hound?
Last Answer : I wouldn't even consider getting ANY breed of dog without a fenced yard. A LOT of extra work and Bassets need a lot of outdoor time, at least until they are very mature, in their later ... as a long legged hound breed, but they WILL follow their nose everywhere, oblivious to anything around them.
Description : What runs but never walks? -Riddles
Last Answer : Water or a tap.
Description : What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats? -Riddles
Last Answer : A River.
Last Answer : A river.
Description : Stephanie runs 2 1 4miles in 3 5of an hour. What is the average speed Stephanie walks per hour?
Last Answer : On an average human walks 2-5 miles per hour. your question is not clear. If you want to find out how many miles she would run in an hour it would be 214/35= 6.11 miles
Description : who gets wetter, the man who walks through the rain or the man who runs through the rain?
Last Answer : Running through the rain will keep you a lot drier (not just 10% drier) than walking. First the theory. We divide the raindrops hitting you into two categories: (1) head drops, which fall ... http://www.straightdope.com/columns/read/827/which-will-keep-you-drier-running-through-the-rain-or-walking
Description : This old one runs forever, but never moves at all. He has not lungs nor throat, but still a mighty roaring call. What is it? -Riddles
Last Answer : A Waterfall.
Description : A man is walking down a road with a basket of eggs. As he is walking he meets someone who buys one-half of his eggs plus one-half of an egg. He walks a little further and meets another person who buys ... of his eggs, and he never broke an egg. How many eggs did the man have to start with? -Riddles
Last Answer : 7 eggs. The first person bought one half of his eggs plus one half an egg (3 1/2 + 1/2 = 4 eggs) This left him 3 eggs. The second person bought one-half of his eggs plus one half an egg, (1 1/2 + ... last person bought one-half of his eggs plus one-half an egg, (1/2 + 1/2 = 1 egg) leaving no eggs.
Description : A man goes into a cabin deep in the country. All walls within this cabin face south and are made of wood. A bear walks by the window. What color is he? -Riddles
Last Answer : Since all walls within this cabin face south, the only location on the face of the earth this is possible is the North Pole. So thus the bear is a polar bear and the color would have to be white!
Description : A particle of mass m moves in a circular path of radius r at constant speed v. Its KE is (a) mv2/r (b) ½ Iw (c) ½ mv2 (d) ½ mrw2
Last Answer : Ans:(c)
Description : An α particle moves perpendicular to a constant magnetic field of strength 1.2 T in a circular path of radius 0.7 m. The speed of α particle in ms-1 is ______________ a) 2.7 × 107 b) 2.6 × 107 c) 3.2 × 107 d) 2.0 × 107
Last Answer : a) 2.7 × 107
Description : There is a house with four walls. Each wall faces south. There is a window in each wall. A bear walks by one of the windows. What color is the bear?
Last Answer : White. If all the walls face south, the house is at the North Pole, and the bear, therefore, is a polar bear.
Description : Bruce walks around behind purchasing agent Shannon Wise as she looks at the pamphlet describing Hyster's new conveyer system. Shannon stands up and walks to a table on the other side of ... the __________ communication Shannon is sending. A)tactile B)proxemic C)kinesic D)verbal E)promotional
Last Answer : B)proxemic
Description : A car moves in a circle at the constant speed of 50 m/s and completes one revolution in 40 s.
Last Answer : A car moves in a circle at the constant speed of 50 m/s and completes one revolution in 40 s. Determine the magnitude of the acceleration of the car.
Description : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists a uniform magnetic field of magnitude B
Last Answer : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists ... sqrt(3)IB` C. `sqrt(2I) lB` D. 2Ilb
Description : A point moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one. The locus of the path traced by the point will be a a.Cycloid b.Hyperbola c.Circle d.Involute e.Ellipsc
Last Answer : d. Involute
Description : Which command of path element moves cursor from one point to another point?
Last Answer : M command of path element move from one point to another point.
Description : what- A map is drawn on a coordinate grid, as shown. The line represents an incoming flight path. A plane is about to leave on a perpendicular flight path that runs through the point (0, 4).Which line represents the outgoing flight path?
Last Answer : y= -5x +4
Description : A boy presses a side of a blue pencil to a side of a yellow pencil, holding both pencils vertically. One inch of the pressed side of the blue pencil, measuring from its lower end, is smeared ... in quantity. How many inches of each pencil will be sneared with paint after the tenth move? -Riddles
Last Answer : At the start, 1inch of the yellow pencil gets smeared with wet paint. As the blue pencil is moved downward, a second inch of the blue pencils smears a second inch of the yellow pencil. Each pair ... of moves will smear 5 inches. This together with the initial inch, makes 6 inches for each pencil.
Description : A particle of mass M moves towards right with a velocity 2 V along the x-axis and another of mass 2 M with a velocity V towards left (- x axis). After the collision (they stick together on colliging) ... a.come to rest b.107 dynes c.move towards right d.may move in any direction e.move towards left
Last Answer : c. move towards right
Description : A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move ... be in the regions a.8 ? 10 b.5 ? 7 c.2 ? 3 d.4 ? 6 e.10 ? 13
Last Answer : b. 5 ? 7
Description : A particle of mass `m` moves along a circular orbit in centrosymmetrical potential field `U(r )=kr^(2)//2`. Using the Bohr quantization condition, fin
Last Answer : A particle of mass `m` moves along a circular orbit in centrosymmetrical potential field `U(r ... orbital radii and energy levels to that particle.
Description : A particle of mass `m` and charge `q` moves with a constant velocity `v` along the positive `x` direction. It enters a region containing a uniform mag
Last Answer : A particle of mass `m` and charge `q` moves with a constant velocity `v` along the positive `x` direction. It enters ... `qaB//m` D. `q(b + a)B//2m`
Description : 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
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
Description : A man of height 160 cm walks at a rate of 1.1` m/sec from a lamp post which 6m high. Find the rate at which the length of his shadow increases when he
Last Answer : A man of height 160 cm walks at a rate of 1.1` m/sec from a lamp post which 6m high. Find ... shadow increases when he is 1m away from the lamp post.
Description : The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient ... calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3
Last Answer : (B) 3225 m3
Description : A girl is walking at a speed of 15 km/hr along a railway track. If she is 600 m ahead of the train which is 300 m long and runs at a speed of 180 km/hr in same direction, then what is the time required to pass a girl? A) 19.63sec B) 32sec C) 8.2sec D) 28.3sec
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
Description : A train overtakes two persons walking along a railway track. The first one walks at 4.5 km/hr. The other one walks at 5.4 km/hr. The train needs 8.4 and 8.5 seconds respectively to overtake them. What is the speed ... as the train? A.59 km/hr B.65 km/hr C.70 km/hr D.81 km/hr E. None of these
Last Answer : Answer-D (81 km/hr) Explanation4.5 km/hr =(4.5 x 5/18)m/sec =5m/4sec = 1.25 m/sec, and 5.4 km/hr =(5.4 x 5/18)m/sec =3m/2sec = 1.5 m/sec. Let the speed of the train be x m/sec. Then, (x - 1.25) ... - 12.75 => 0.1x = 2.25 => x = 22.5 Therefore Speed of the train =(22.5 x18 /5)km/hr = 81 km/hr.
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
Description : People along the South East Coast of the US, are you evacuating because of Matthew?
Last Answer : Parts of SE Georgia (Brunswick, St Marys, Savannah) are under evacuation orders. However, Atlanta is far enough north and west of the storm area (and far enough from the ocean) that there are no warnings here. For now.
Description : Warm ocean surge or Peru current that recurs after 5-8 years in East pacific along south America is
Last Answer : Warm ocean surge or Peru current that recurs after 5-8 years in East pacific along south America is A. EI Nino B. Aye Aye C. Mangox D. Gulf stream.