The mean of five numbers is 50, out of which mean of 4 numbers is 46, find the 5th number.
The mean of five numbers is 50, out of which mean of 4 numbers is 46, find the 5th number.
(A) 4
(B) 20
(C) 434
(D) 66
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5th number = Sum of five numbers – Sum of four numbers
= (5 x 50) – (4 x 46)
= 250 – 184
= 66
Correct option is (D) 66
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