If the average of m numbers is n2 and that of n numbers is m2 , then the average of (m + n) numbers is-
A. m - n
B. mn
C. m + n
D. $$\frac{m}{n}$$
Answer: Option B
Solution (By Examveda Team)
Sum of m numbers = mn2Sum of n numbers = nm2
∴ Average of (m + n) numbers
= $$\frac{mn(m + n)}{(m + n)}$$
= mn
This Question Belongs to Arithmetic Ability >> Average
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