Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

What is the area (in sq cm) of a rectangle of perimeter 70 cm and breadth 20 cm?

Options:

302 cm2

300 cm2

320 cm2

302 cm2

Correct Answer:

300 cm2

Explanation:

Perimeter of rectangle = 2 (l + b)

70 = 2 (l + 20)

l = \(\frac{70}{2}\) – 20 = 15 cm.

area = l × b = 15 × 20 = 300 cm2