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Q: Which two signs should be interchanged, to make the given equation correct? 15 + 5 ÷ 2 – 9 x 3 = 22
  • A. + and –
  • B. x and ÷
  • C. ÷ and +
  • D. x and –
Correct Answer: Option B - 15 + 5 ÷ 2 – 9 x 3 = 22 On changing the signs according to option (b) in the above equation- 15 + 5 × 2 – 9 ÷ 3 = 22 15 + 10 – 3 = 22 25 – 3 = 22 22 = 22
B. 15 + 5 ÷ 2 – 9 x 3 = 22 On changing the signs according to option (b) in the above equation- 15 + 5 × 2 – 9 ÷ 3 = 22 15 + 10 – 3 = 22 25 – 3 = 22 22 = 22

Explanations:

15 + 5 ÷ 2 – 9 x 3 = 22 On changing the signs according to option (b) in the above equation- 15 + 5 × 2 – 9 ÷ 3 = 22 15 + 10 – 3 = 22 25 – 3 = 22 22 = 22