The mean of 5 numbers is 31. If 4 of them are 15, 19, 6, 23, find the missing number.

Type: MCQ • Marks: 1

A. 93

B. 92

C. 155

D. 91

Explanation

Required sum = 31 × 5 = 155. Missing number = 155 − 63 = 92.

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Class 7th Ganita Prakash 2

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