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Q: If the numbers ‘18’ and ‘30’ are interchanged, then which of the following equations can be correctly balanced?
  • A. ÷ 5 × 5 + 30 – 18 = 23
  • B. 14 × 5 – 18 ÷ 6 + 30 = 73
  • C. 64 + 18 × 5 ÷ 3 – 30 = 98
  • D. 12 – 30 × 18 ÷ 3 + 16 = 174
Correct Answer: Option A - From option (a), According to the question, On interchanging the number 18 and 30:– 35 ÷ 5 × 5 + 30 – 18 = 23 7 × 5 +18 – 30 = 23 53 – 30 = 23 Hence, LHS = RHS
A. From option (a), According to the question, On interchanging the number 18 and 30:– 35 ÷ 5 × 5 + 30 – 18 = 23 7 × 5 +18 – 30 = 23 53 – 30 = 23 Hence, LHS = RHS

Explanations:

From option (a), According to the question, On interchanging the number 18 and 30:– 35 ÷ 5 × 5 + 30 – 18 = 23 7 × 5 +18 – 30 = 23 53 – 30 = 23 Hence, LHS = RHS