InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
A monkey climbs up a greased pole, ascends 20m and slip 4m in alternate minutes. If the pole is 96m high, how many minutes will it take to reach the top? |
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Answer» 54/5 net height climbed in 2 min = 20m - 4m = 16m |
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| 252. |
Gurmit can row a certain distance downstream in 5 hours and return the same distance in 12 hours. If the stream flows at the rate of 4 km per hour, find the speed of Gurmit in still water. |
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Answer» 9 5/7 KM/h Let the distance covered by GURMIT be D km and X be the SPEED of Gurmit in still water. |
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| 253. |
A policeman saw a thief at a distance of 200 m. The policeman and the thief started running at the same time. If the policeman runs at a speed of 4 1/6 m per second and the thief at a speed |
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Answer» 4 mins NA |
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| 254. |
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 ? |
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Answer» 10 NA |
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| 255. |
A person goes from one point to another point with a speed of 5 km/h and comes back to starting point with a speed of 3 km/h. Find the average speed for the whole journey.? |
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Answer» NA |
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| 256. |
The speed of a car increases by 2 kms after every one hour. If the distance travelled in the first one hour was 35 kms, what was the total distance traveled in 12 hours ? |
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Answer» 552 kms NA |
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| 257. |
A and B are 20 km apart. A can walk at an average speed of 4 km/hr and B at 6 km/h. If they start walking towards each other at 7:000 am, when they will meet? |
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Answer» 9:00 am NA |
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| 258. |
Two girls move in opposite directions, one from A to B and other from B to A. The girl from A reaches the destination in 16 hrs and girl from B reaches her destination in 25 hrs, after having met. If |
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Answer» 20 km/hr NA |
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| 259. |
A truck covers a distance of 550 metres in 1 minute whereas a train covers a distance of 33 kms in 45 minutes. What is the ratio of their speed? |
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Answer» 3 : 4 SPEED of the truck = Distance/Time=550/1=550 meters/minute |
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| 260. |
Rahim covers a certain distance in 14 hrs 40 min. He covers one half of the distance by train at 60km/hr and the rest half by road at 50 km/hr. The distance travelled by him is: |
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Answer» 800km NA |
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| 261. |
A bus covered a distance of 250 km, partly at an average speed of 40 kmph and partly at 60 kmph. If the total time taken is 5 hours, then the distance covered at 40 kmph is |
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Answer» 100km NA |
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| 262. |
Two men start together to walk to a certain destination, one at 3 km/hr and another at 3.75 km/hr. The latter arrives half an hour before the farmer. The distance is:- |
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Answer» 7.5 km NA |
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| 263. |
Two men start together to walk a certain distance, one at 4 kmph and another at 3 kmph.The former arrives half an hour before the latter. Find the distance. |
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Answer»
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| 264. |
A car covers four successive three km stretches at speed of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr. respectively. Its average speed over this distance is ? |
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Answer» 20 km/hr .
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| 265. |
A man covers a certain distance with a uniform speed of x km/h. Had he moved 4 km/h faster, he would have taken 30 minutes less. If he had moved 3 km/h slower, he would have taken 30 minutes more. Fin |
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Answer» 24 km/hr Let the DISTANCE be D km |
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| 266. |
Two trains are moving at 50 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is? |
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Answer» 70 + 50 = 120 * 5/18 = 100/3 mps |
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| 267. |
A train 150 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform? |
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Answer» 350 m
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| 268. |
A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train? |
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Answer»
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| 269. |
What distance will be covered by a bus moving at 72 kmph in 30 seconds? |
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Answer» 600 m 72 KMPH = 72 * 5/18 = 20 mps |
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| 270. |
In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole? |
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Answer» 10 sec Convert kmph to mps. 36 kmph = 36 * 5/18 = 10 mps. |
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| 271. |
In a covering a certain distance the speed of A and B are in the ratio of 6: 9, A takes 20 min more, than B to reach the destination. The time taken by A to reach the destination is: |
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Answer» 1 Hour NA |
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| 272. |
A train travelled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point? |
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Answer» 6 HRS 21 min Time taken to TRAVEL 600 km = Distance/Speed =600/100 = 6 hour It means train stops 7 times before 600 km and 1 time just after 600 km. Hence we need to TAKE only 7 stops into consideration for the 600 km travel. Hence, total stopping time in the 600 km travel = 7 x 3 = 21 minutes Total time needed to reach the destination = 6 hours + 21 minutes = 6 hrs 21 min |
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| 273. |
An aeroplane flying 1000 km covers the first 200 km at the rate of 200 km/hr, the second 200 km at 400 km/hr, the third 200 km at 600 km / hr & last 200 km at the rate of 800 km/hr. Determine the aver |
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Answer» 480 km/hr NA |
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| 274. |
A bus covers a distance of 400 km with a speed of 20 km/h. What time is taken by the bus to cover this distance? |
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Answer» 20h NA |
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| 275. |
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? |
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Answer» Due to stoppages, it COVERS 9 KM less. Time taken to COVER 9 km = 9/54 * 60 = 10 min. |
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| 276. |
A car after covering half of a distance of 100 km develops some engine trouble and later travels at half its original speed. As a result it arrives 2 hours later than its normal time. What was the ori |
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Answer» 25 km/hr NA |
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| 277. |
A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately |
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Answer» 10.8 km/hr NA |
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| 278. |
The average speed of a car is 75 km/h. The driver first decrease its average speed by 40% and then increase it by 50%. What is the new average speed now ? |
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Answer» 67.5 km NA |
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| 279. |
By walking at 4/5 of his usual speed, Mohan is 6 minute late to his office. find his usual time to cover the distance. |
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Answer» 24 minute NA |
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| 280. |
A person travels from A to B at a speed of 40 km/hr and returns by increasing his speed by 50%. What is his average speed for both the trips? |
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Answer» 48 km/hr Method : 1 Assume that distance from A to B = x km Speed with which he travels from A to B = x = 40 km/hr Time to travel from A to B = distance/speed = x/40 hr Speed with which he travels from B to A = 40×(100+50)/100 = 60 km/hr Time to travel from B to A = distance/speed = x/60 Total distance traveled = x+x = 2X Total time taken = x/40 + x/60 Average speed = Total distance traveled/Total time taken = 2x/(x/44)+(x/60) = 2/[(1/60)+(1/40)] = (2×2400)/(40+60) = 2×24 = 48 km/hr |
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| 281. |
A man covers a certain distance on a scooter. Had he moved 6 km/h faster, he would have taken 30 minutes less. If he had moved 2 kmh"1 slower he would havetaken 30 minutes more. What is the distance ? |
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Answer» 6 KM We can FIND the speed originally |
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| 282. |
The speed of a bus increases by 2 km after every one hour. If the distance travelling in the first one hour was 35 km. what was the total distance travelled in 12 hours? |
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Answer» Given that distance travelled in 1st hour = 35 km |
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| 283. |
A student rides on bicycle at 8km/hr and reaches his school 2.5min late. The next day he increases his speed to 10km/hr and reaches school 5 minutes early. How far is the school from his house ? |
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Answer» 5km let x km be the REQUIRED distance |
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| 284. |
A man complete a journey in 10 hrs. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km? |
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Answer» 224 km Let the TOTAL distance be x km. Then, [(1/2 x) / 21 + (1/2 x) / 24] = 10 15x = 168 * 20 => x = 224 km. |
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| 285. |
A man by motorcycle goes from Delhi to Bharatpur , a distance of 192 km, at an average speed of 32 kmph. Another man starts from Delhi by car 2.5 h after the motorcyclist starts and reaches Bharatpur |
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Answer» 2:3 NA |
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| 286. |
A car started running at a speed of 30 km/hr and the speed of the car was increased by 2 km/hr at the end of every hour. Find the total distance covered by the car in the first 10 hours of the journey |
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Answer» 390 km The total distance COVERED by the CAR in the first 10 hours = 30 + 32 + 34 + 36 + 38 + 40 + 42 + 44 + 46 + 48 = sum of 10 terms in AP whose first TERM is 30 and last term is 48 = 10/2 [30 + 48] = 390 km. |
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| 287. |
How long does a train 165 meters long running at the rate of 54 kmph take to cross a bridge 660 meters in length? |
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Answer» 55 sec
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| 288. |
If a child walks at the rate of 5m/min from his home, he is 6 minutes late for school, if he walks at the rate of 7m/min he reaches half an hour earlier. How far is his school from his home ? |
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Answer» 630 min NA |
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| 289. |
A man on tour travels first 160 km at 64 kmph and the next 160 km at 80 kmph. The average speed for the first 320 km of the tour is : |
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Answer» 71.11 kmph Total time TAKEN = (160/64 + 160/8) HOURS = 9/2 hours. |
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| 290. |
A car moves at the speed of 90 km/hr. What is the speed of the car in meters per second? |
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Answer» 25 m/s NA |
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| 291. |
A bike covers a certain distance at the speed of 64 km/h in 8 h. If the bike was to cover the same distance in approximately 6h, at what approximate speed should the bike travel? |
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Answer» 85 km/h NA |
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| 292. |
A speed of 36 km/hr. is the same as ? |
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Answer» 10 m/sec. NA |
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| 293. |
A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming. The distance between his house and school is? |
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Answer» 6 KM Average SPEED = (2 * 3 * 2) / (3 + 2) = 12/5 km/hr. Distance traveled = 12/5 * 5 = 12 km. Distance between house and SCHOOL = 12/2 = 6 km. |
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| 294. |
I walk a certain distance and ride the car back taking a total time of 33 Minutes. I could walk both sides in 45 min. How long would it take me to ride both ways? |
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Answer» 21 Minutes NA |
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| 295. |
A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is: |
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Answer» 16 km NA |
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| 296. |
A man crosses a road 250 meters wide in 75 seconds. His speed in km/hr is |
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Answer» 12 NA |
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| 297. |
A certain distance is covered by a cyclist at a certain speed.If a jogger covers half the distance in double the time,the ratio of the speed of the jogger to that of the cyclist is : |
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Answer» 1 : 4 NA |
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| 298. |
A car moves at the speed of 60 Km/hr. what is the speed of the car in meters per second ? |
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Answer» 50/3 m/sec NA |
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| 299. |
A cyclist covers a distance of 750 meter in 2 minutes 30 seconds. What is the speed in km/hr of cyclist |
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Answer» 18 km/hr NA |
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| 300. |
Sound is said to travel in air at about 1100 feet per second. A man hears the axe striking the tree, 11/5seconds after he sees it strike the tree. How far is the man from the wood chopper? |
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Answer» 2420 ft Speed of the SOUND = 1100 ft/s |
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