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Q: Which mathematical sign should be interchanged in the equation given below so that the equation will become mathematically correct? 4 ÷ 32 + 8 x 9 - 5 = 35
  • A. ÷ and x
  • B. ÷ and +
  • C. x and ÷
  • D. x and -
Correct Answer: Option B - 4 ÷ 32 + 8 × 9 – 5 = 35 On Interchanging the signs according to option (b) in the above equation- 4 + 32 ÷ 8 × 9 – 5 = 35 4 + 4 × 9 – 5 = 35 4 + 36 – 5 = 35 40 – 5 = 35 35 = 35
B. 4 ÷ 32 + 8 × 9 – 5 = 35 On Interchanging the signs according to option (b) in the above equation- 4 + 32 ÷ 8 × 9 – 5 = 35 4 + 4 × 9 – 5 = 35 4 + 36 – 5 = 35 40 – 5 = 35 35 = 35

Explanations:

4 ÷ 32 + 8 × 9 – 5 = 35 On Interchanging the signs according to option (b) in the above equation- 4 + 32 ÷ 8 × 9 – 5 = 35 4 + 4 × 9 – 5 = 35 4 + 36 – 5 = 35 40 – 5 = 35 35 = 35