a) 6m
b) 5m
c) 10m
d) 7m
Answer: b
Explanation: Let x metre of cloth will be purchased.
$$\eqalign{
& x \times 32 \times \frac{{25}}{{100}} = 40 \cr
& x \times 8 = 40 \cr
& x = 5\,m \cr} $$
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