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Aptitude · Q54

Area

Competitive Exams · Aptitude · question 54

Q54

What will be the area of 4 metres high wall on all four sides of a rectangular hall having perimeter 64 m ?

A.
256 m2
Answer
B.
328 m2
C.
384 m2
D.
Cannot be determined
E.
None of these

Answer: Option A

Solution

Answer: Option A
Solution:
Perimeter = 64 m
⇒ 2(l + b) = 64
∴ Area of 4 walls
= 2(l + b) × h
= (64 × 4) m2
= 256 m2