For the following questions answer them individually
The acceleration due to gravity at the surface of the earth (mass M and radius R)is proportional to .............
The Shanti Swarup Bhatnagar Prize is annually awarded for outstanding achievement in which area?
John is 15 years younger than Jill. 12 years ago, Jill’s age was 1.5 times that of John. Jill is now .......... years old.
