Average weight of A, B and C is 50 kg. Average of A and B is 55 kg and average of B and C is 43 kg. Weight of B is

If the average of m numbers is n*n and that of n numbers is m*m , then the average of m+n numbers is

Four years ago, the average age of A and B was 20 years. If today average age of A, B and C is 25 years, what will be age of C after 7 years?

The average monthly income of P and Q is ₹ 5,050. The average monthly income of Q and R is ₹ 6,250 and the average monthly income of P and R is ₹ 5,200. The monthly income of P is

Five years ago, the average age of X₁, X₂, X₃ and X₄ was 50 years. If we include X₅, the present average age of all five is 56 years. Then the present age of X₅ is

The average of three consecutive odd numbers is 43. What is the average of the smallest and largest?