A is 20% more than B, and B is 50% less than C. If C is 25% more than D, then A is what percentage less than D?
Answer & explanation
Correct answer: option 1
20% = \(\frac{1}{5}\)
50% = \(\frac{1}{2}\)
25% = \(\frac{1}{4}\)
A : D
20% ⇒ 6 : 5
100% ⇒ 1 : 2
25% ⇒ 5 : 4
6 × 1 × 5 : 5 × 2 × 4
3 : 4 = 1 (difference)
A is = \(\frac{1}{4}\) × 100 = 25 % less than D.