If 1 / 2 of a number is 20, then 3 / 4 of the number is?
Question 1
Q1. If 1 / 2 of a number is 20, then 3 / 4 of the number is?
Answer: 30
Explanation: Let x be the number. Then, x / 2 = 20, x = 40. So, 3x / 4 = 3 * 40 / 4 = 30.