Question : Tom is chasing Jerry. In the same interval of time, Tom jumps 8 times while Jerry jumps 6 times but the distance Tom covers in 7 jumps is equal to the distance covered by Jerry in 5 jumps. The ratio of the speed of Tom and Jerry is:

Option 1: 48 : 35

Option 2: 28 : 15

Option 3: 24 : 20

Option 4: 20 : 21

Question : A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that:

Option 1: The rubber ball suffers a greater change in momentum

Option 2: The metal ball suffers a greater change in momentum

Option 3: Both suffer the same change in momentum

Option 4: The initial momentum of the rubber ball is greater than that of the metal ball

Question : A rides his bicycle at 15 km/hr, while B starts his ride after 6 hours to catch A at a speed of 25 km/hr. Time taken by B to catch A (in hours) is:

Option 1: 9

Option 2: 8

Option 3: 10

Option 4: 6

Question : A man in a train moving with a constant velocity drops ball on the platform. The path of the ball as seen by an observer standing on the platform is

Option 1: a straight line

Option 2: a circle

Option 3: a parabola

Option 4: none of these

Question : Improve the underlined part of the sentence. Choose ‘No improvement’ as an answer if the sentence is grammatically correct.

The dog chased the ball into the neighbour’s yard.

Option 1: No Improvement

Option 2: has chasing the ball

Option 3: chase the ball

Option 4: chasing the ball