If the length of longer stick is 40 cm and shorter stick is three -fourth of the longer stick, what is the length of the shorter stick ?

20 cm

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10 cm

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25 cm

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30 cm

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Solution

The correct option is D 30 cm
Length of the shorter stick

= three - fourth of longer stick
= $\frac{3}{4}$ $\times$ 40 cm
= 3 $\times$ $\frac{1}{4}$ $\times$ 40 cm
= 3 $\times$ 10 cm

= 30 cm

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