Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:
A courtyard 25 m long and 16 m broad is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is
(a)18000
(b)20000
(c)25000
(d)None of these
Answer
Answer (as printed):
Explanation
Number of bricks $=\left(\frac{\text { Area of courtyard }}{\text { Area of } 1 \text { brick }}\right)$ $=\left(\frac{2500 \times 1600}{20 \times 10}\right)=20000$.
Explanation as extracted from the printed page; notation may be imperfect.