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201.

A bike covers a distance of 1856 km in 29 hours. What is the speed of the bike ?

Answer»

64 kmph



Speed = 1856 / 29

202.

A train passes a man standing on the platform. If the train is 170 meters long and its speed is 72 kmph, how much time it took in doing so?

Answer»

8 ½ SEC



D = 170

S = 72 * 5/18 = 20 mps

T = 170/20 = 8 ½ sec

203.

A cyclist wins 500 meters race in 45 seconds. His speed is :

Answer»

40 Km/hr



NA

204.

Tripti, Rani and Madhulika begin to jog around a circular stadium. They complete their revolution in 64 sec, 36 sec and 43 sec respectively. After how many seconds will they be together at the startin

Answer»

24768



LCM of 64, 36, 43 = 24768

205.

In covering a certain distance, the speeds of A and B are in the ratio 3 : 4. A takes 30 min. more than B to reach the destination. The time taken by A to reach the destination is :

Answer»

2 HOURS



Ratio of speeds = 3 : 4
Ratio of times taken = 4 : 3.
Suppose A takes 4X hours and B takes 3X hours to reach the destination. Then, 4X - 3X = 30/60
X = 1/2.
Time taken by A = 4X hours = 4 x 1/2 = 2 hours.

206.

A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5h. Find the average speed for the whole journey.

Answer»

7 km/h



NA

207.

Excluding stoppages, the speed of a bus is 54 km/hr. And including stoppages, it is 45 km/hr. For how many minutes does the bus stop per hour?

Answer»

10



NA

208.

The ratio between the rates of walking of A and B is 2:3 , if the time taken by B to cover a certain distance is 36 minutes, the time taken by A to cover that much distance is ?

Answer»

54min



NA

209.

A man rows a boat 18 kilometres in 4 hours downstream and returns upstream in 12 hours. The speed of the stream (in km per hour) is

Answer»

1.5



1.5

210.

Akash leaves mumbai at 6 am and reaches Bangalore at 10 am . Prakash leaves Bangalore at 8 am and reaches Mumbai at 11:30 am. At what time do they cross each other?

Answer»

8:56 am



NA

211.

A thief is spotted by policeman from distance of 100 m. When policeman starts the chase, thief starts running. If the speed of thief be 4 kmh1 & that of the policeman 10 kmh1 , how far thief from poli

Answer»

66.66 m



Relative speed of police = 10 - 4 = 6 kmh-1
Time taken by the policeman to cover 100 m
= (100/1000 x 1/6)hr = 1/60 hr
In 1/60 hr the THEIF COVERS a distance of4x1/60 = 1/15km = 1/15 x 1000 = 66.66m

212.

The distance between two cities A and B is 330 km. A train starts from A at 8 a.m. and travel towards B at 60 km/hr. Another train starts from B at 9 a.m. and travels towards A at 75 Km/hr. At what ti

Answer»

11 a.m



Assume that they meet x hours after 8 a.m. 
Then,train1,starting from A , travelling towards B, travels x hours till the trains meet
⇒Distance TRAVELLED by train1 in x hours = Speed ×Time = 60x

Then, train2, starting from B , travelling towards A, travels (x-1) hours till the trains meet

⇒Distance travelled by train2 in (x-1) hours = Speed ×Time = 75(x-1)

Total distance travelled = Distance travelled by train1 + Distance travelled by train2

=> 330 = 60x + 75(x-1)

=> 12x + 15(x-1) = 66

=> 12x + 15x - 15 = 66

=> 27X = 66 + 15 = 81

=> 3X = 9

=> x = 3

Hence the trains meet 3 hours after 8 a.m., i.e. at 11 a.m.

213.

A train T1, left station S1 for station S2 at 11:00 am at speed of 72 kmph. Another train T2 left station S2 for S1 at 10:00 am at a speed of 108 kmph. At what time would the trains be 24 km apart for

Answer»

11:36 am



NA

214.

A 240 meter long train passes a platform in 45 sec while it passes a signal board in 16 sec. What is the length of the platform?

Answer»

435 m



NA

215.

If a person travel 39 km at a speed of 26 km/h, another 39 km at a speed of 39 km/h and 39 km again at a speed of 52 km/h . Then find the average speed of entire journey

Answer»

36 km/h



NA

216.

One of the two buses completes a journey of 300 km in 7 hours 30 minutes and the other a journey of 450 km in 9 hours. The ratio of their average speeds is?

Answer»

4 : 5



Ratio of SPEEDS = (300X2/15) : (450/9) = 40 : 50 = 4 : 5

217.

A car is running at a speed of 108 kmph. What distance will it cover in 15 seconds?

Answer»

450 metres



NA

218.

By travelling at 40 kmph, a person reaches his destination on time. He covered two-third the total distance in one-third of the total time. What speed should he maintain for the remaining distance to

Answer»

20 kmph



Let the TIME taken to reach the destination be 3x hours. Total DISTANCE = 40 * 3x = 120x km 

He COVERED 2/3 * 120x = 80x km in 1/3 * 3x = x hours So, the remaining 40x km, he has to cover in 2X hours. Required speed = 40x/2x = 20 kmph.

219.

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while s

Answer»

120 kmph



NA

220.

A motorist covers the distance of 60 km from A to B at a speed of 20 km/hr and return journey from B to A at a speed of 30 km/hr. His average speed of entire journey is

Answer»

24 km/hr



NA

221.

Two cars P and Q start at the same time from A and B which are 120 km apart. If the two cars travel in opposite directions, they meet after one hour and if they travel in same direction (from A toward

Answer»

70 km/hr



Let their speed be x km/hr and y km/he respectively.

Then, 120/(x+ y) = 1 => x + y = 120 --- (i)

Now, when they move in same direction:

(Distance TRAVELED by P in 6 hrs) - (Distance traveled by Q in 6 hrs) = 120 km

6x - 6y = 120 => x - y = 20 --- (ii)

Sloving (i) and (ii), we get x = 70, y = 50

P's speed = 70 km/hr.

222.

A train cover a distance in 50 minutes, if it runs at a speed of 48 km per hour on an average. The speed at which the train must run to reduce the time of journey to 40 minutes ?

Answer»

60 km/hr.



NA

223.

A person crosses a 300 m long street in 2 minutes. What is his speed in km/hr?

Answer»

9 km/h



NA

224.

How long will a boy take to run round a square field of side 35 metres, if he runs at the rate of 9 km/hr?

Answer»

56 sec



NA

225.

The speed of a car is 90kmph. What is the speed in metres per second.

Answer»

25 m/s



km/hr to m/sec CONVERSION:
X km/hr = (x × 5/18) m/sec
90 × 5/18 = 25.

226.

What is the length of the train? A. The speed of the train is 60 km/h. B. It crosses a telegraph post in 6 s.

Answer»

100 m



NA

227.

Sound is said to travel in air at about 1100 feet per second. A man hears the axe striking the tree, 11/5 seconds after he sees it strike the tree. How far is the man from the wood chopper?

Answer»

2420 ft



NA

228.

A 820 m long train is running at 126 km/h. In how much time will it cross a tunnel which is 580 m long?

Answer»

40s



NA

229.

A motorcyclist goes from Bombay to Pune, a distance of 192 kms at an average of 32 kmph speed. Another man starts from Bombay by car 2 ½ hours after the first, and reaches Pune ½ hour earlier. What is

Answer»

1:2



T = 192/32 = 6 h

T = 6 - 3 = 3

Time RATIO = 6:3 = 2:1

Speed Ratio = 1:2

230.

A train is traveling at 48 kmph . It crosses another train having half of its length , traveling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. What

Answer»

400



NA

231.

Two trains started at the same time, one from A to B and the other from B to A . If they arrived at B and A respectively 4 hours and 9 hours after they passed each other the ratio of the speeds of the

Answer»

14.4 sec



NA

232.

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance traveled by him is?

Answer»

50 km



Let the ACTUAL distance traveled be x km. Then,

x/10 = (x + 20)/14

4x - 200 =>x = 50 km.

233.

A man has to reach a place 40 km away. He walks at the rate of 4 km/hr for the first 16 km and then travels in a cart for the rest of the journey. Had he teavelled by cart for the first 16 km and cove

Answer»

8 km/hr



NA

234.

A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in metres) is

Answer»

1250



NA

235.

How long will a man take to bicycle round a square field of side 1500 m, If his speed is 8 km/h?

Answer»

45 min



NA

236.

A thief is noticed by a policeman from a distance of 300 Metres. The thief starts running and policeman chases him. The thief and the policeman run at the rate of 9 Kmph and 12 Kmph respectively. What

Answer»

150 Metres



NA

237.

X an Y are two stations 500 km apart. A train starts form X and moves towards Y at 20 km/hr. Another rain starts from Y at the same time and moves towards X at 30 km/hr. How far from X will they cross

Answer»

200 km



NA

238.

A train 270m long passes a standing man in 24 s. What is the speed of the train?

Answer»

40.5 km/h



NA

239.

A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 47 minutes. The total distance is?

Answer»

3



Let the total distance be 3x KM.

Then, X/3 + x/4 + x/5 = 47/60

47x/60 = 47/60 => x = 1.

Total distance = 3 * 1 = 3 km.

240.

In a 1000 m race, A beats B by 50 m and B beats C by 100 m. In the same race, by how many meters does A beat C?

Answer»

145



By the TIME A covers 1000 m, B covers (1000 - 50) = 950 m.

By the time B covers 1000 m, C covers (1000 - 100) = 900 m. 

So, the ratio of speeds of A and C = 

 1000/950 * 1000/900 = 1000/855So, by the time A covers 1000 m, C covers 855 m. 

So in 1000 m race A beats C by 1000 - 855 = 145 m.

241.

A car covers a distance of 1450 km in 25 hours. What is the speed of the car ?

Answer»

58 KMPH



58 kmph

242.

The distance of the college and home of Rajeev is 80km. One day he was late by 1 hour than the normal time to leave for the college, so he increased his speed by 4km/h and thus he reached to college

Answer»

20 km/h



NA

243.

Diameter of wheel is 3 m. The wheel revolves 28 times in a minute. To cover 5.280 km distance, the wheel will take (take pi = 22/7)

Answer»

20 MIN



20 min

244.

Two cars travelled equal distances at the speed of 50 kmh"1 and 40 kmh"1 respectively. What is the distance if one car takes 5 hours longer than the other ?

Answer»

1000 KM



Let the DISTANCE = x km
Time TAKEN by first car = x/50 hrs
Time taken by 2ND car = x/40 hrs
x/40 - x/50 = 5;
5x - 4x/200 = 5;
∴ x = 1000 km

245.

A bus is running with a uniform speed of 37 km/h. What distance will be covered by bus in 8 h?

Answer»

 296 km



NA

246.

A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next one-third distance with a speed of 20 km/hr, and the last one-third distance with a speed of 60 km/hr. The av

Answer»

18 km/hr



NA

247.

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:

Answer»

87.5 km/hr



NA

248.

In a 1000 m race A beats B by 100 m. What is the ratio of speeds of A and B?

Answer»

10 : 9



NA

249.

A man can row 10 km/h in still water. If the river is running at 3 km/h, it takes 6 hours more to go upstream than downstream for the same distance. How far is the place in km ?

Answer»

91 km



Let the DISTANCE be X
∴ x/10-3 - x/10+3 = 6
∴ x = 91 km
∴ x/7 - x/13 = 6
13X - 7x/91 = 6

250.

Every Sunday, Giri jogs 3 miles. For the rest of the week, each day he jogs 1 mile more than the previous day. How many miles does giri jog in 2 weeks ?

Answer»

84



NA