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Q: Which two signs should be interchanged to make the given equation correct? 62 + 12 – 42 ÷ 7 × 44 = 90
  • A. × and ÷
  • B. + and ÷
  • C. × and –
  • D. × and +
Correct Answer: Option C - Given, 62 + 12 – 42 ÷ 7 × 44 = 90 On interchanging two signs according to option (c), 62 + 12 × 42 ÷ 7 – 44 = 90 62 + 12 × 6 – 44 = 90 62 + 72 – 44 = 90 134 – 44 = 90 90 = 90 Hence, option(c) is correct.
C. Given, 62 + 12 – 42 ÷ 7 × 44 = 90 On interchanging two signs according to option (c), 62 + 12 × 42 ÷ 7 – 44 = 90 62 + 12 × 6 – 44 = 90 62 + 72 – 44 = 90 134 – 44 = 90 90 = 90 Hence, option(c) is correct.

Explanations:

Given, 62 + 12 – 42 ÷ 7 × 44 = 90 On interchanging two signs according to option (c), 62 + 12 × 42 ÷ 7 – 44 = 90 62 + 12 × 6 – 44 = 90 62 + 72 – 44 = 90 134 – 44 = 90 90 = 90 Hence, option(c) is correct.