Knife is an example for
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How many of the factors of 256 are perfect squares?
Astronauts inside spaceship feel ___ weight.
Velocity of a car does not depend on
The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.
Present ages of R and P are in the ratio of 9 : 11 respectively. After 7 years, their ages will be in the ratio of 26 : 31 and sum of their ages will be 114 years. What is the present age (in years) of P?
Find the odd pair out.
Which of the following sportspersons recently wrote the autobiographical book 'Ace Against Odds'?