Simplify the following expression.
(4.2 of 2.5 ÷ 3.5) − (3.6 ÷ 2.4 + 2.5 of 3 ÷ 7.5) + (6 − 3 of 2 + 4 of 3 ÷ 6)
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 2.5.
(4.2 of 2.5 ÷ 3.5) − (3.6 ÷ 2.4 + 2.5 of 3 ÷ 7.5) + (6 − 3 of 2 + 4 of 3 ÷ 6)
⇒ (10.5 ÷ 3.5) − (3.6 ÷ 2.4 + 7.5 ÷ 7.5) + (6 − 6 + 12 ÷ 6)
⇒ 3 − (1.5 + 1) + (6 − 6 + 2)
⇒ 3 − 2.5 + 2
⇒ 2.5