A rectangular floor of size 3 m × 7 m is tiled with 1 m × 1 m tiles. How many tiles are needed?

Type: MCQ • Marks: 1

A. 21

B. 22

C. 10

D. 20

Explanation

Number of tiles = area = 3 × 7 = 21.

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Class 7th Ganita Prakash 2

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