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HPSC HCS 2021 · Question 132 of 177

If the sum of three consecutive numbers is 15. What is the square of the middle number?

Arithmetic

  1. A16
  2. B25Correct
  3. C36
  4. DCannot be determined

Answer: B. 25

Explanation

Consecutive numbers summing to 15 are 4, 5, 6; the middle number 5 squared is 25.

Source: HPSC HCS (Ex.Br.) Prelims Paper-II (CSAT) held 12-Sep-2021 (prepp.in compilation); answers per official HPSC answer key

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