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SSC CHSL 2022 PYQ — Question 54

SSC CHSL - 31 May 2022 - Shift 3 • Quantitative Aptitude • Q54

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If the length and the breadth of a rectangle are increased by 15% and 20%, respectively, then by how much percent the area of the rectangle will increase?

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 38%

Given:

Increase in length = 15%

Increase in breadth = 20%

Concept Used:

Total increase = A + B + (AB/100)

Explanation:

According to the given question,

Increase in the area of rectangle = 15+20+(15×20)10015 + 20 + {(15 \times 20) \over 100} = 35 + 3 = 38%

Hence the required answer is 38%.