Which two signs need to be changed to make the following equation correct?
64 − 8 ÷ 3 + 7 × 5 = 40
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3, i.e. ÷ and −
| Understanding |
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Given series is 64 − 8 ÷ 3 + 7 × 5 = 40 Option 1) × and + After changing sign, 64 − 8 ÷ 3 × 7 + 5 ≠ 40 (not satisfied) Option 2) × and ÷ After changing sign, 64 − 8 × 3 + 7 ÷ 5 ≠ 40 (not satisfied) Option 3) ÷ and − After changing sign, 64 ÷ 8 − 3 + 7 × 5 = 40 (satisfied) Hence, the correct answer is option 3. |