Which two signs and two numbers should be interchanged to make the given equation correct?
11 × 7 ÷ 35 - 64 + 56 = 47
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e × and ÷; 35 and 11.
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Given equation: 11 × 7 ÷ 35 - 64 + 56 = 47 Check all the options: Option 1: × and ÷; 35 and 56 After replacement the equation becomes; = 11 ÷ 7 × 56 - 64 + 35 = 59 is not equal to 47. Hence, option 1 is not the correct answer. |
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Option 2: + and -; 35 and 11 After replacement the equation becomes; = 35 × 7 ÷ 11 + 64 - 56 = 30.27 is not equal to 47. Hence, option 2 is not the correct answer. |
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Option 3: × and ÷; 35 and 11 After replacement the equation becomes; = 35 ÷ 7 × 11 - 64 + 56 = 47 is equal to 47. Hence, option 3 is the correct answer. |
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Option 4: + and -; 7 and 11 After replacement the equation becomes; = 7 × 11 ÷ 35 + 64 - 56 = 10.2 is not equal to 47. Hence, option 4 is not the correct answer. |