Find out the two signs to be interchanged to make the following equation correct.
27 + 48 × 2 - 7 ÷ 3 = 30
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. × and ÷
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Given Equation: 27 + 48 × 2 - 7 ÷ 3 = 30 Check all the options: Option 1: - and ÷ After replacement the equation becomes; = 27 + 48 × 2 ÷ 7 - 3 = 37.71 is not equal to 30. Hence, option 1 is not the correct answer. |
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Option 2: + and - After replacement the equation becomes; = 27 - 48 × 2 + 7 ÷ 3 = -66.66 is not equal to 30. Hence, option 2 is not the correct answer. |
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Option 3: × and ÷ After replacement the equation becomes; = 27 + 48 ÷ 2 - 7 × 3 = 30 is equal to 30. Hence, option 3 is the correct answer. |
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Option 4: - and × After replacement the equation becomes; = 27 + 48 - 2 × 7 ÷ 3 = 70.33 is not equal to 30. Hence, option 4 is not the correct answer. |