Question

What will be the value of expression if the numbers/digits ‘(42)’ and ‘(18)’ are interchanged?

54 ÷ 42 × 10 + 18 – 12 + 20

A 80 Correct Answer Incorrect Answer
B 77 Correct Answer Incorrect Answer
C 87 Correct Answer Incorrect Answer
D 75 Correct Answer Incorrect Answer

Solution

54 ÷ 42 × 10 + 18 – 12 + 20 54 ÷ 18 × 10 + 42 - 12 + 20 3 × 10 + 42 - 12 + 20 30 + 42 - 12 + 20 = 80

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