The number of neutrons present in a nitrogen atom is ___.

What happens to the Potential and Kinetic energies of a body as it falls down from a height?

Solve the following

24 / (20 - 12 / 3 x 8) = ?

What is the minimum number of straight lines required to construct the following figure?

Based on the given data, the percentage of literates in city A is ___.

If sum of Rs.1000 amount to Rs.1331 in 3 years, compounded annually. Then, find the rate of interest per annum?

Students are sitting in a row in which the position of X is 17th from the left and that of Y is 14th from the right. If they interchange their positions, X's position becomes 7th from the left. How many students are there in the row?

When a bullet is fired from a gun, the gun moves in the opposite direction. This illustrates Newton's