Which two signs should be interchanged to make the following equation correct?
4 ÷ 6 + 9 – 48 × 8 = 27
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e ÷ and ×.
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Given expression: 4 ÷ 6 + 9 – 48 × 8 = 27 Check the options: Option 1: + and × After replacement the equation becomes; =4 ÷ 6 × 9 – 48 + 8 = –34 Hence, option 1 is not the correct answer. |
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Option 2:+ and – After replacement the equation becomes; =4 ÷ 6 – 9 + 48 × 8 =375.66 Hence, option 2 is not the correct answer. |
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Option 3: ÷ and + After replacement the equation becomes; = 4 + 6 ÷ 9 – 48 × 8 =–379.33 Hence, option 3 is not the correct answer. |
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Option 4: ÷ and × After replacement the equation becomes; = 4 × 6 + 9 – 48 ÷ 8 = 4 × 6 + 9 – 6 = 24 + 9 – 6 = 33 – 6 = 27 Hence, option 4 is the correct answer. |