# Quiz-1

Question 1

Time: 00:00:00
To cover a distance of 45 km downstream a yacht takes 3.5 hrs. And the same yacht covers the same distance while going upstream in 7.1 hrs. Determine the speed of yacht in km/hrs

7.5 kmph

7.5 kmph

5.8 kmph

5.8 kmph

9.59 kmph

9.59 kmph

12 kmph

12 kmph

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Question 2

Time: 00:00:00
Ticket collector sitting in coach of the trains which is travelling at speed of 67 Kmph notices that goods trains take 11 sec to travel in the opposite direction to pass him. The length of goods trains is 293.5 m. Then find the speed of goods train?

24.6 km/hr

24.6 km/hr

30.01 km/hr

30.01 km/hr

29.05 km/hr

29.05 km/hr

40 km/hr

40 km/hr

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Question 3

Time: 00:00:00
It takes four and a half hours by a jetski to go 30 km downstream and comes back .The speed of the jet ski in still water is 15 Kmph.Determine the speed of the stream.

4.5 km/hr

4.5 km/hr

6 km/hr

6 km/hr

7 km/hr

7 km/hr

5 km/hr

5 km/hr

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Question 4

Time: 00:00:00
When the wind was behind the time taken by the rider to ride his bike 1 km is 3 mins. While riding the bike against the wind he drove back in 4 minutes. Assuming that a constant force is required on pedals how much time will the rider will take to ride 1 km without wind?

$\frac{7}{3}$

$\frac{7}{3}$

$\frac{17}{7}$

$\frac{17}{7}$

$\frac{43}{12}$

$\frac{43}{12}$

$\frac{24}{7}$

$\frac{24}{7}$

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Question 5

Time: 00:00:00
To cover the first half of the distance between two points the bike travells at the rate of 40km/hr. Later on, the second half of the distance was covered by the bike at the rate of 60km /hr. Determine the average speed of the bike

55 km/hr

55 km/hr

48 km/hr

48 km/hr

44 km/hr

44 km/hr

45 km/hr

45 km/hr

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Question 6

Time: 00:00:00
It takes thrice as long to row up as to row down the river by a man who is rowing in still water at the rate of 6km/hr. Dtermine the rate of stream

3 km/hr

3 km/hr

4.5 km/hr

4.5 km/hr

5 km/hr

5 km/hr

5.75 km/hr

5.75 km/hr

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Question 7

Time: 00:00:00
Find the length of the bridge if the length of the travelling train is 130 meter which is travelling at the speed of 45 Kmph can cross in 30 seconds.

325 mts

325 mts

365 mts

365 mts

245 mts

245 mts

312 mts

312 mts

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Question 8

Time: 00:00:00
Find the length of the train if it passes the pole in 23 seconds along with the platform of length 142 m long in38 seconds.

217.73 m

217.73 m

250 m

250 m

200 m

200 m

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Question 9

Time: 00:00:00
What will be the time taken by two trains A and B to cross each other if both are of the same length and running if the opposite direction to each other also passes a pole in 29 and 19 seconds respectively.

15.5 sec

15.5 sec

22.9 sec

22.9 sec

18.8 sec

18.8 sec

20.2 sec

20.2 sec

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Question 10

Time: 00:00:00
A man is running at a speed of 8.8 Kmph. A train with a speed of 75 Kmph and of length 135 meters is running opposite to the direction of the man. Find the time taken by the train to pass the man.

5.80

5.80

5.50

5.50

8

8

10

10

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