If P is 20% more than Q, and R is 20% less than Q, then P is what percentage more than R?
Show answer & explanation
Correct answer: B
Explanation
Let Q = 100
P = 100 + 20 = 120
R = 100 - 20 = 80
Required percentage = (120 - 80)/80 × 100
= 40/80 × 100
= 50%