Staff Selection Commission Quantitative Aptitude — Question 62

Question

The average of 5 numbers is 27. If one number is excluded the average becomes 25. What is the excluded number?

1. 35
2. 37
3. 38
4. 40

Correct answer

A — 35

Explanation (English)

Total = 5x27=135, Remaining = 4x25=100, Excluded = 135-100 = 35

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