Average of three positive numbers is 25. Out of these three numbers, the average of two numbers is 11. Which is the smallest number?
(A) 3
(B) 4
(C) 5
(D) Data is not sufficient to find the smallest number
(E) None of the above
Let three positive numbers be
and
.
It is given to us that
(1)
It is also given to us that
(2)
Putting equation (2) in equation (1), we get
We cannot find any other number using the present data. Hence, we cannot say which one is the smallest.
Hence, the answer is (D).
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