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Q: Which two digits should be interchanged to make the given equation correct? 384 ÷ 16 – 72 + 9 × 10 = 2
  • A. 3 and 7
  • B. 7 and 9
  • C. 4 and 8
  • D. 6 and 9
Correct Answer: Option B - According to the question, 384 ÷ 16 – 72 + 9 × 10 = 2 From option (b) 384 ÷ 16 – 92 + 7 × 10 = 2 24 – 92 + 70 = 2 94 – 92 = 2 2 = 2 (R.H.S = L.H.S). Hence, option (b) is correct answer.
B. According to the question, 384 ÷ 16 – 72 + 9 × 10 = 2 From option (b) 384 ÷ 16 – 92 + 7 × 10 = 2 24 – 92 + 70 = 2 94 – 92 = 2 2 = 2 (R.H.S = L.H.S). Hence, option (b) is correct answer.

Explanations:

According to the question, 384 ÷ 16 – 72 + 9 × 10 = 2 From option (b) 384 ÷ 16 – 92 + 7 × 10 = 2 24 – 92 + 70 = 2 94 – 92 = 2 2 = 2 (R.H.S = L.H.S). Hence, option (b) is correct answer.