Question

The mean of a, b, c, d and e is 28. If the mean of a, c, and e is 24, What is the mean of b and d?

(a) 31

(b) 32

(c) 33

(d) 34

Answer 1

Given that the mean of a, b, c, d and e is 28. They are 5 in numbers.

Hence, we have

But, it is given that the mean of a, c and e is 24. Hence, we have

Then, we have

Hence, the mean of b and d is.

Hence, the correct choice is (d).