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Average of 75 numbers are 44. When 5 more numbers are included, the average of 80 numbers become 46. Find the average of 5 numbers.

A82

B91

C102

D76

Answer:

D. 76

Read Explanation:

Let, average of 5 numbers = x ⇒ 75 × 44 + 5x = 80 × 46 ⇒ 3300 + 5x = 3680 ⇒ 5x = 380 ⇒ x = 76


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