Simplify
6 × [ 28 ÷ 84 × {36 × 49 ÷ ( 6 × 7 )}]
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 84.
6 × [ 28 ÷ 84 × {36 × 49 ÷ ( 6 × 7 )}]
⇒ 6 × [ 28 ÷ 84 × {36 × 49 ÷ 42}]
⇒ 6 × [ 28 ÷ 84 × {36 × 7/6}]
⇒ 6 × [ 28 ÷ 84 × 42]
⇒ 6 × 14
⇒ 84