EduSahara™ Worksheet

Question 1

1.

A motor boat can move at a speed of 14.54 m/sec in still water. If it goes upstream for 197.82 sec, it travels a distance of 2354.00 m. What is the speed of the stream?

(i)

2.64 m/sec
(ii)

0.64 m/sec
(iii)

3.64 m/sec
(iv)

1.64 m/sec
(v)

4.64 m/sec

Question 2

2.

A motor boat can travel at a speed of 14.53 m/sec downstream and 2.25 m/sec upstream. How much distance can the boat travel in 22.33 sec in still water?

(i)

187.35 m
(ii)

189.35 m
(iii)

185.35 m
(iv)

186.35 m
(v)

188.35 m

Question 3

3.

A motor boat can move at a speed of 11.91 m/sec in still water. If it goes downstream for 206.10 sec, it travels a distance of 4491.00 m. What is the speed of the stream?

(i)

9.88 m/sec
(ii)

10.88 m/sec
(iii)

8.88 m/sec
(iv)

11.88 m/sec
(v)

7.88 m/sec

Question 4

4.

A student walks from his house to school at 2.93 kmph and arrives 8.20 min late. The next day he walks at 3.63 kmph and reaches the school 2.70 min before time. What is the distance from his house to school?

(i)

4.77 km
(ii)

2.77 km
(iii)

1.77 km
(iv)

3.77 km
(v)

0.77 km

Question 5

5.

If a train travelling at 3.88 m/sec speed covers 117.84 m distance in a certain time, at what speed should it travel to cover 326.78 m distance in the same time ?

(i)

10.76 m/sec
(ii)

8.76 m/sec
(iii)

9.76 m/sec
(iv)

11.76 m/sec
(v)

12.76 m/sec

Question 6

6.

A train travels 265.07 m distance at 20.58 m/sec, 299.53 m distance at 20.70 m/sec and 446.19 m distance at 34.75 m/sec. What is the total time travelled by the train?

(i)

39.19 sec
(ii)

41.19 sec
(iii)

40.19 sec
(iv)

42.19 sec
(v)

38.19 sec

Question 7

7.

A train travels some distance at a speed of 6.32 m/sec for 26.30 sec, some more distance at a speed of 7.93 m/sec for 49.48 sec and the remaining distance at a speed of 14.48 m/sec for 29.30 sec. What is the average speed of the train?

(i)

9.35 m/sec
(ii)

11.35 m/sec
(iii)

10.35 m/sec
(iv)

8.35 m/sec
(v)

7.35 m/sec

Question 8

8.

In how much time, a train of length 321.56 m travelling at a speed of 10.15 m/sec will cross a platform of length 368.88 m?

(i)

66.01 sec
(ii)

69.01 sec
(iii)

67.01 sec
(iv)

68.01 sec
(v)

70.01 sec

Question 9

9.

A motor boat can travel at a speed of 23.00 m/sec downstream and 14.24 m/sec upstream. What is the speed of the stream?

(i)

4.38 m/sec
(ii)

2.38 m/sec
(iii)

6.38 m/sec
(iv)

5.38 m/sec
(v)

3.38 m/sec

Question 10

10.

The distance between two places X and Y is 289.79 m. Two persons A and B start simultaneously at X and Y at speeds of 24.23 m/sec and 11.92 m/sec respectively. Find the meeting point away from X where they meet each other if they are travelling in same direction.

(i)

568.40 m
(ii)

570.40 m
(iii)

572.40 m
(iv)

571.40 m
(v)

569.40 m

Question 11

11.

A motor boat can travel at a speed of 26.97 m/sec downstream and 11.81 m/sec upstream. How much time will it take to cross a distance of 381.40 m in still water?

(i)

18.67 sec
(ii)

20.67 sec
(iii)

17.67 sec
(iv)

19.67 sec
(v)

21.67 sec

Question 12

12.

In how much time, a train of length 429.19 m travelling at a speed of 17.39 m/sec will cross a pole?

(i)

24.68 sec
(ii)

25.68 sec
(iii)

23.68 sec
(iv)

26.68 sec
(v)

22.68 sec

Question 13

13.

In how much time will a train of length 257.18 m travelling at a speed of 11.00 m/sec crosses a man riding a cycle in the opposite direction at a speed of 9.19 m/sec?

(i)

14.74 sec
(ii)

11.74 sec
(iii)

13.74 sec
(iv)

10.74 sec
(v)

12.74 sec

Question 14

14.

A train travels some distance at a speed of 4.91 m/sec for 23.06 sec, some more distance at a speed of 7.92 m/sec for 26.62 sec and the remaining distance at a speed of 12.89 m/sec for 27.24 sec. What is the total distance covered?

(i)

676.17 m
(ii)

677.17 m
(iii)

675.17 m
(iv)

674.17 m
(v)

673.17 m

Question 15

15.

A motor boat can travel at a speed of 48.09 m/sec downstream and 26.15 m/sec upstream. What is the speed of the motor boat in still water?

(i)

39.12 m/sec
(ii)

37.12 m/sec
(iii)

35.12 m/sec
(iv)

38.12 m/sec
(v)

36.12 m/sec

Question 16

16.

In how much time will a train of length 502.16 m travelling at a speed of 46.41 m/sec crosses a man riding a cycle in the same direction at a speed of 3.24 m/sec?

(i)

12.63 sec
(ii)

11.63 sec
(iii)

10.63 sec
(iv)

13.63 sec
(v)

9.63 sec

Question 17

17.

A train travels 364.78 m distance at 8.01 m/sec, 144.78 m distance at 8.24 m/sec and 109.41 m distance at 4.54 m/sec. What is the average speed of the train?

(i)

8.10 m/sec
(ii)

5.10 m/sec
(iii)

6.10 m/sec
(iv)

9.10 m/sec
(v)

7.10 m/sec

Question 18

18.

If the speed of a vehicle is 14.58 m/sec, how much time will it take to travel 499.07 m?

(i)

35.23 sec
(ii)

33.23 sec
(iii)

34.23 sec
(iv)

32.23 sec
(v)

36.23 sec

Question 19

19.

If a train travels 456.62 m in 34.83 sec, how much distance it covers in 21.45 sec?

(i)

283.21 m
(ii)

280.21 m
(iii)

279.21 m
(iv)

281.21 m
(v)

282.21 m

Question 20

20.

A train travels 142.37 m distance for 32.21 sec, 135.03 m distance for 20.87 sec and 110.25 m distance for 26.25 sec. What is the average speed of the train?

(i)

6.89 m/sec
(ii)

2.89 m/sec
(iii)

3.89 m/sec
(iv)

4.89 m/sec
(v)

5.89 m/sec

Question 21

21.

If a vehicle travels 142.04 km in 49.84 hr, what is the speed of the vehicle?

(i)

3.85 kmph
(ii)

4.85 kmph
(iii)

0.85 kmph
(iv)

2.85 kmph
(v)

1.85 kmph

Question 22

22.

If a train covers a certain distance at a speed of 3.90 m/sec in 31.35 sec, what should be the speed to cover the same distance in 46.90 sec?

(i)

4.61 m/sec
(ii)

3.61 m/sec
(iii)

2.61 m/sec
(iv)

0.61 m/sec
(v)

1.61 m/sec

Question 23

23.

If the speed of a vehicle is 20.96 kmph, how much time will it take to travel 232.45 km?

(i)

12.09 hr
(ii)

11.09 hr
(iii)

13.09 hr
(iv)

9.09 hr
(v)

10.09 hr

Question 24

24.

The distance between two places X and Y is 344.48 m. Two persons A and B start simultaneously at X and Y at speeds of 11.85 m/sec and 9.38 m/sec respectively. Find when they meet each other if they are travelling in opposite direction.

(i)

15.23 sec
(ii)

18.23 sec
(iii)

16.23 sec
(iv)

14.23 sec
(v)

17.23 sec

Question 25

25.

A student walks from his house to school at 4.75 kmph and arrives 5.30 min late. The next day he walks at 5.85 kmph and reaches the school 4.00 min before time. At what speed must he travel to reach the school on time?

(i)

3.32 kmph
(ii)

4.32 kmph
(iii)

5.32 kmph
(iv)

6.32 kmph
(v)

7.32 kmph

Assignment Key