a) 26.5 cm
b) 32 cm
c) 36 cm
d) 37.5 cm
Answer: b
Explanation: Let length = x cm
$$\eqalign{
& x \times 28 \times 5 \times \frac{{25}}{{1000}} = 112 \cr
& x = \left( {112 \times \frac{{1000}}{{25}} \times \frac{1}{{28}} \times \frac{1}{5}} \right) \cr
& x = 32\,cm \cr} $$
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