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Q: Which two signs should be interchanged to make the equation given below mathematically correct? 24 + 54 ÷ 18 – 48 × 16 = 40
  • A. × and +
  • B. ÷ and ×
  • C. ÷ and +
  • D. + and –
Correct Answer: Option A - 24 + 54 ÷ 18 – 48 × 16 = 40 From option (a) Interchanging the signs in given equation - 24 × 54 ÷ 18 – 48 + 16 = 40 24 × 3 – 48 + 16 = 40 72 – 48 + 16 = 40 88 – 48 = 40 40 = 40
A. 24 + 54 ÷ 18 – 48 × 16 = 40 From option (a) Interchanging the signs in given equation - 24 × 54 ÷ 18 – 48 + 16 = 40 24 × 3 – 48 + 16 = 40 72 – 48 + 16 = 40 88 – 48 = 40 40 = 40

Explanations:

24 + 54 ÷ 18 – 48 × 16 = 40 From option (a) Interchanging the signs in given equation - 24 × 54 ÷ 18 – 48 + 16 = 40 24 × 3 – 48 + 16 = 40 72 – 48 + 16 = 40 88 – 48 = 40 40 = 40