Question

The men of a, b, c,d,e is 18.if the mean of a,c,e is 12 find the average of b and d​

Answer 1

Explanation:

$\frac{a + c + e}{2} = 12$

a+c+e = 24 (1)

A.T.Q.

$\frac{a + b + c + d + e}{5} = 18$

a+b+c+d+e = 90

From (1)

24+b+d = 90

b+d = 66

$\frac{b + d}{2} = \frac{66}{2} = 33$

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