The value of 20 ÷ 5 of 8 × [9 ÷ 6 × (6 - 3)] - (10 ÷ 2 of 20) is:
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Correct answer: B
Explanation
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The correct answer is option 2 i.e. 2. ⇒ 20 ÷ 5 of 8 × [9 ÷ 6 × (6 - 3)] - (10 ÷ 2 of 20) ⇒ 20 ÷ 40 × [9 ÷ 6 × (6 - 3)] - (10 ÷ 40) ⇒ 1/2 × [3/2 × (6 - 3)] - 1/4 ⇒ 1/2 × 9/2 - 1/4 ⇒ 9/4 - 1/4 = 2 |