BECE Mathematics 2022 Objective — Question 26

Question 26 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

Estimate the numbers of square rug of size 17cm by 17cm that is needed for a square room of size 4.2m.

A. 400
B. 420
C. 441Correct
D. 514
E. 840

Explanation

Round 17 cm to 20 cm. The room is 420 cm, so 420 ÷ 20 = 21 rugs on each side. 21 × 21 = 441.

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