SSC GD 2021 PYQ — Question 52

SSC GD Constable (English) - 7th December 2021 Shift 1 • Quantitative Aptitude • Q52

A rocking chair was sold at a profit of 10%. Had it been sold at ₹ 80 More, the profit would have been 15%. What is the cost price (in ₹) of the chair?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 1,600.

Given:

A rocking chair was sold at a profit of 10%.

Had it been sold at ₹ 80 More, the profit would have been 15%

Formula used:

Selling price = Cost price(100 + profit%)          ---- (1)

Calculations:

Let the cost price of the rocking chair be 100x

After 10% profit, Selling price = 100x(100 + 10%) = 110x

If profit is 15%, selling price = 100x(100 + 15%) = 115x

According to the question,

⇒ 115x - 110x = 80

⇒ 5x = 80

⇒ x = 16

Cost price = 100x = 100 × 16 = 1600