Which two signs should be interchanged in the following equation to make it correct?
5 × 15 ÷ 7 - 20 + 4 = 77
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ÷ and +.
| Understanding |
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5 × 15 ÷ 7 – 20 + 4 = 77 is to be true. We need to check with the options. From option 1, by interchanging signs ÷ and +, we get 5 × 15 + 7 – 20 ÷ 4 = 75 + 7 – 5 = 77 = RHS Hence, Option 1 is correct |