The number of bones present in the 1st, 2nd, and 3rd rows of trasals is

The number ofelements present in 2nd, 3rd, 4th and 5th IJeriods of modern periodic table respectively are

The distances travelled by a body falling freely from rest in the 1st, 2nd and 3rd seconds are in the ratio.

A body falling from rest describes distances S_1,S_2andS_3 is the 1st, 2nd and 3rd seconds of its fall Then the ratio of S_1:S_2:S_3: is

A body starts from rest and moves with uniform acceleration. What is the ratio of kinetic energies at the end of 1st , 2nd and 3rd seconds of its journey ?

A constant force is applied on a 10kg mass at rest. The ratio of works done is 1st, 2nd and 3rd seconds is

In sequence S, the 3rd term is 4, the 2nd term is three times the 1st, and the 3rd term is four times the 2nd.What is the 1 st term is sequence S?

Calulate the maxium number of electons in 1 st 2 nd , 3 rd and 4 th shells