SSC GD 2023 PYQ — Question 48

SSC GD Constable (English) - 25 Jan 2023 - Shift 1 • Quantitative Aptitude • Q48

Successive discounts of 10%,15% and 20% amount to a single discount of:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 38.80%

Given that

Successive discounts of 10%, 15%, and 20%

Firstly, the single discount of the successive discounts of 10% and 15%

= 10 + 15 - (10 × 15/100) = 25 - 1.5 = 23.5%

Now, the single discount of the successive discounts of 23.5% and 20%

= 23.5 + 20 - (23.5 × 20/100) = 43.5 - 4.7 = 38.8%