Question : Simplify the following expression.
72 − 42 ÷ 6 of 7 × 4 of 3 ÷ 4 × 3 − 5
Option 1: 32
Option 2: 16
Option 3: 58
Option 4: 45
Correct Answer: 58
Solution :
72 − 42 ÷ 6 of 7 × 4 of 3 ÷ 4 × 3 − 5
= 72 − 42 ÷ 42 × 12 ÷ 4 × 3 − 5
= 72 − 1 × 3 × 3 − 5
= 72 − 9 − 5
= 58
Hence, the correct answer is 58.
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