SSC CGL 2023 PYQ — Question 67

SSC CGL - 20 July 2023 - Shift 3 • Quantitative Aptitude • Q67

The price of an article is increased by r%. The new price was decreased by r% later. Now the latest price is Rs.1. What was the original price of the article?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 1000010000−r2\frac{10000}{10000-r^2}.

Given:

The price of an article is increased by r%. The new price was decreased by r% later

Calculations:

The current price of the article is Rs. 1

According to the question;

The original price of the article = 1 × 100/(100 + r) × 100/(100 - r)

= 1000010000−r2\frac{10000}{10000-r^2}