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Doctors Medicines MCQs Q&A

  1. ÷ and -
  2. × and -
  3. + and ÷
  4. - and +
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1 Answers

Option 2 : × and -

Interchanging the following signs:

1) ÷ and - → 7 × 16 + 20 ÷ 20 - 10 = 103 ≠ 31

2) × and - → 7 - 16 + 20 × 20 ÷ 10 = 31

3) + and ÷ → 7 × 16 ÷ 20 - 20 + 10 = - 4.4 ≠ 31

4) - and + → 7 × 16 - 20 + 20 ÷ 10 = 94 ≠ 31

Hence, '× and -' is the correct answer.

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