A train 150 meters long running at a speed of 60 kmph takes 30 seconds to cross a bridge. The length of the bridge is,

A. 350m

B. 450m

C. 300m

D. 400m

350m

No Explanation available for this question

A jogger running at 9 kmph alongside a railway track is 240 meters ahead of the engine of a 120 meter long train running at 45 kmph in the same direction. How much time will the train pass the jogger?

A. 3.6 sec

B. 18 sec

C. 36 sec

D. 72 sec

36 sec

Speed of train relative to jogger = (45 - 9) km/hr = 36 km/hr.

= | 36 x | 5 | m/sec | |

18 |

= 10 m/sec.

Distance to be covered = (240 + 120) m = 360 m.

Time taken = | 360 | sec | = 36 sec. | |

10 |

3 pipes can fill a reservoirin 10,15 and 20 hrs. resp. The first was opened at 5 a.m. , the second at 6 a.m., third at 7 a.m. When will the reservoir the filled?

A. 5:20a.m

B. 6:30 a.m.

C. 10:20 a.m.

D. 4 p.m.

10:20 a.m.

No Explanation available for this question

Three runners A, B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, while runner B finishes 8 meters ahead of runner C. Each runner travels the entire distance at a constant speed. What was the length of the race?

A. 36 meters

B. 48 meters

C. 60 meters

D. 72 meters

48 meters

No Explanation available for this question

3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

A. 9

B. 10

C. 11

D. 12

12

No Explanation available for this question

In a game of 100 points, A can give B 20 points and C 28 points. Then, B a start of 8 m and still beats him by 8 sec. The speed of B is

A. 8 points

B. 10 points

C. 14 points

D. 40 points

10 points

No Explanation available for this question

A train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the train?

A. 270 m

B. 210 m

C. 340 m

D. 130 m

270 m

No Explanation available for this question

A dog taken 4 leaps for every 5 leaps of a hare but three leaps of the dog is equal to 4 leaps of the hare. Compare their speeds

A. 16:15

B. 12:16

C. 19:20

D. 10:12

16:15

No Explanation available for this question

A man was traveling on a motorcycle at the speed of 50 km/h for 2 1/2hours. Then a car full of youngster overtake him at a speed of 80 km/h. To overtake them he increased his speed to 70 km/h, but he could not overtake the car even after 2 1/2hours. How far did he travel in the total time of 4 hours?

A. 200 km

B. 230 km

C. 250 km

D. 300 km

230 km

No Explanation available for this question

The distances from A to B, B to C and C to D, are 12 kms. each. A man runs from A to B at a speed of X kms/hour. After reaching B, he rests for X hours and runs from B to C at double the previous speed. At C he rests for 2 X hours and runs from C to D at double his speed from B to C. He reaches D in 16 hrs after starting from A. Then a possible value of X is

A. 2 kms/hour

B. 3 kms/hour

C. 5 kms/hour

D. None of these

5 kms/hour

No Explanation available for this question

A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is;

A. 35

B.

C.

D. 40

40

No Explanation available for this question

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

A. 50 km

B. 56 km

C. 70 km

D. 80 km

50 km

No Explanation available for this question

A boat can travel with a speed of 13km/hr in still water .if the speed of the stream is 4km /hr Find the time taken by the boat to go 68km downstream

A. 2hours

B. 3 hours

C. 4hours

D. 5 hours

4hours

No Explanation available for this question

If both the pipes are opened, how many hours will be taken to fill the tank? I. The capacity of the tank is 400 litres. II. The pipe A fills the tank in 4 hours. III. The pipe B fills the tank in 6 hours.

A. Only I and II

B. Only II and III

C. All I, II and III

D. Any two of the three

Only II and III

No Explanation available for this question

A man can row three-quarters of a kilometer against the stream in 11 ¼ minutes. The speed (in km/hr) of the man in still water is:

A. 4 ¼ km/hr

B. 5 km/hr

C. 6 km/hr

D. 7 km/hr

5 km/hr

No Explanation available for this question

A man performs 3/5 of the total journey by rail, 17/20 by bus and the remaining 6.5 km on foot. His total journey is:

A. 65 km

B. 100 km

C. 120 km

D. 130 km

130 km

No Explanation available for this question

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

A. 1 hour

B.

C. 2 hours

D.

2 hours

No Explanation available for this question

A train of length 150 meters takes 40.5 sec to cross a tunnel of length 300 meters. What is the speed of the in km/hr

A. 13.83

B. 26.67

C. 40

D. 66.67

40

No Explanation available for this question

A watch ticks 90 times in 95 secs. And another watch ticks 315 times in 323 secs. If they start together, how many times will they tick together in first hour?

A. 100 times

B. 101 times

C. 99 times

D. 102 times

101 times

No Explanation available for this question

A man can row at 5km ph in still water .if the velocity of current is 1 km ph and it Takes him 1 hours to row to a place and come back ,how far is the place?

A. 2.4km

B. 2.5 km

C. 3 km

D. 3.6 km

2.4km

No Explanation available for this question

A man can row 10 kmph in still water and the river is running at 2 kmph. If the man takes 1 hr to row to a place and back, how far is the place?

A. 4.8

B. 5

C. 4.5

D. 5.6

4.8

No Explanation available for this question

A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?

A. 4km/hr

B. 6 km/hr

C. 8km/hr

D. Data Inadequate

6 km/hr

No Explanation available for this question

A train after travelling 30 km from X meets with an accident and proceeds at 3/4 of the former speed and reaches by 45 min. late. Had the accident happened 10 kms further one, it would have arrived 15 min sooner. Find the original speed and distance.

A. 60 km

B. 30 km

C. 50 km

D. 20 km

60 km

No Explanation available for this question

A boatman rows to a place 45 km distant and back in 20 hour. He finds that he can row 12 km with the stream in the same time as 4km against the stream. Find the speed of the stream.

A. 3 km/hr

B. 2.5 km/hr

C. 4 km/hr

D. 3.5 km/hr

3 km/hr

No Explanation available for this question

A monkey ascends a greased pole 12 metres high. He ascends 2 metres in first minute and slips down 1 metre in the alternate minute. In which minute, he reaches the top?

A. 21st

B. 22nd

C. 23rd

D. 24th

E. None of these

22nd

No Explanation available for this question

The ratio between the rate of walking of x and y is 2:3. If the time taken by B to cover a certain distance is 24min, to cover the same distance A will take:

A. 32

B. 48

C. 16

D. 36

36

No Explanation available for this question

Rajesh walks to and fro to a shopping mall. He spends 30 minutes shopping. If he walks at speed of 10 km an hour, he returns to home at 19.00 hours. If he walks at 15 km an hour, he returns to home at 18.30 hours. How fast must he walk in order to return at 18.15 hours?

A. 17 km/hr

B. 18 km/hr

C. 19 km/hr

D. 20 km/hr

20 km/hr

No Explanation available for this question

I f 09/12/2001 happens to be Sunday, then 09/12/1971 would have been at

A. Wednesday

B. Tuesday

C. Saturday

D. Thursday

E. None of these

Thursday

No Explanation available for this question

A bus started its journey from Ramgarh and reached Devgarh in 44 minutes with its average speed of 50km/hour. If the average speed of the bus is increased by 5 km/hour, how much time will it take to cover the same distance?

A. 40 minutes

B. 38 minutes

C. 36 minutes

D. 31 minutes

E. 49 minutes

49 minutes

No Explanation available for this question

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:

A. 16 hours

B. 18 hours

C. 20 hours

D. 24 hours

24 hours

No Explanation available for this question