Which combination of the mathematical symbols given in the options will sequentially replace * signs in the following equation and balance the equation?
200 * 2 * 10 * 8 * 40 * 20
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. ÷, =, ×, +, −
Given equation: 200 * 2 * 10 * 8 * 40 * 20
Option 1: −, +, ÷, =, ×
After interchanging the expression becomes:
= 200 − 2 + 10 ÷ 8 = 40 × 20
= 200 − 2 + 10 ÷ 8 = 800
= 199.25 is not equal to 800.
Option 2: ÷, =, ×, +, −
After interchanging the expression becomes:
= 200 ÷ 2 = 10 × 8 + 40 − 20
= 100 = 80 + 40 − 20
= 100 = 120 - 20
= 100 = 100
= 100 is equal to 100.
As we have found our answer, there is no need to check further options.
Hence, ÷, =, ×, +, − is the correct answer.