Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
121 * 11 * 99 * 11 * 77 * 79
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ÷, -, ÷, +, =.
Given equation: 121 * 11 * 99 * 11 * 77 * 79
Option 1: ÷, -, ÷, +, =
After interchanging the expression becomes:
(121 ÷ 11) - (99 ÷ 11) + 77 = 79
⇒ 11 - 9 + 77
⇒ 88 - 9
⇒ 79
Hence, the correct answer is ÷, -, ÷, +, =.