Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
30 * 4 * 2 * 1 * 121
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ×, +, −, =.
Given equation: 30 * 4 * 2 * 1 * 121
Option 1: ×, +, −, =
After interchanging the expression becomes:
30 × 4 + 2 - 1 = 121
120 + 2 - 1 = 121
121 = 121