If a cuboidal box has height, length and

CUET Preparation Today

Start Free Mocks

Home Questions 48Q9S3YSRB

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

If a cuboidal box has height, length and width as 20 cm, 15 cm and 10 cm respectively. Then its total surface area is:

Options:

1100 sq cm

1200 sq cm

1300 sq cm

1400

Correct Answer:

1300 sq cm

Explanation:

Formulae for total surface area = 2(lb + bh + hl)

Total surface area = 2 (20 × 15 + 20 × 10 + 10 × 15)

TSA = 2 ( 300 + 200 + 150)

= 1300 cm²