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

Question

The average of 25 numbers is 39.4. The average of the

first 12 numbers is 36.5, and the average of the last 12 numbers is 40.5. Determine the value of the 13th number.

A 59

B 67

C 53

D 61

E 69

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