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Q: Which two numbers should be interchanged to make the given equation correct? 36 × 81 ÷ 9 – (88 ÷ 4) + 14 + (22 + 7) = 169
  • A. 36 and 14
  • B. 81 and 36
  • C. 9 and 36
  • D. 14 and 22
Correct Answer: Option A - On interchanging the number 36 and 14, 14 × 81 ÷ 9 – (88 ÷ 4) + 36 + (22 + 7) = 14 × 9 – (22) + 36 + 29 = 126 – 22 + 65 = 191 – 22 = 169 Hence option (a) is correct answer.
A. On interchanging the number 36 and 14, 14 × 81 ÷ 9 – (88 ÷ 4) + 36 + (22 + 7) = 14 × 9 – (22) + 36 + 29 = 126 – 22 + 65 = 191 – 22 = 169 Hence option (a) is correct answer.

Explanations:

On interchanging the number 36 and 14, 14 × 81 ÷ 9 – (88 ÷ 4) + 36 + (22 + 7) = 14 × 9 – (22) + 36 + 29 = 126 – 22 + 65 = 191 – 22 = 169 Hence option (a) is correct answer.