SSC MTS 2018 · PYQ · Average · medium
What is the average of first 15 odd numbers among the natural numbers?
Answer
The correct answer is B: 15. The first 15 odd natural numbers are 1,3,5,...,29. Their sum = 15² = 225.
- A.17
- B.15✓ Correct
- C.18
- D.16
The first 15 odd natural numbers are 1,3,5,...,29. Their sum = 15² = 225. Average = 225/15 = 15.
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