Simplify the given expression.
18 ÷ 3 of 2 x 5 + 72 ÷ 18 of 2 × 3 - 4 ÷ 8 x 2
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 20
Given that
⇒ 18 ÷ 3 of 2 x 5 + 72 ÷ 18 of 2 × 3 - 4 ÷ 8 x 2
⇒ 18 ÷ 6 x 5 + 72 ÷ 36 × 3 - 4 ÷ 8 x 2
⇒ 3 x 5 + 2 × 3 - (1/2) x 2
⇒ 15 + 6 - 1
⇒ 21 - 1
⇒ 20