New Enroll in RBI Grade B New Batch - Starts on May 21

Question

The average of the first four numbers is 'x+30', the

average of the next 10 numbers is 'x', and the average of the remaining 6 numbers is 'x−20'. If the average of all the numbers is 50, find the value of 'x'.

A 45

B 40

C 50

D 55

E None of these

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