If the average of m numbers is n2 and that of n numbers is m2 then the average of (m+n) students is
(a) m n (b) mn (c) m+n (d)
If the average of m numbers is n2 and that of n numbers is m2 then the average of (m+n) students is
(a) m n (b) mn (c) m+n (d)
Sum of numbers =
Sum of
numbers =
Sum of numbers =
Average of
numbers =