In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group 

The simple interest at 5% per annum for 5 years will be Rs. 5 on a principal of

3 years ago the average age of a family of 5 members was 17 years. After A baby born, the average age of the family is the same today. The present age of the baby is 

Solution of (x-2/x+2)2 +3 = (x-2/x+2); x ≠ -2 is

Find the missing term

MK : 169/121 : : JH : ?

The relation between velocity (V), frequency (n) and wavelength (λ) of a wave is given by