Lizzy wants to donate some of her hair to a trust- Her hair is 36 cm long and she cuts 3-4 th of her hair- What length of her hair is she left with-A- 12 cmB- 10 cmC- 8 cmD- 9 cm

The correct option is D 9 cm Hair cut by Lizzy =3/4× 36 = 3 × 9 = 27 cm Length of remaining hair = 36 27 = 9 cm ...

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Standard V

Mathematics

Visualisation of Fractions

Lizzy wants t...

Question

Lizzy wants to donate some of her hair to a trust. Her hair is 36 cm long and she cuts $\frac{3}{4} t h$ of her hair. What length of her hair is she left with?

12 cm

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9 cm

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10 cm

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8 cm

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Solution

The correct option is B
9 cm

Hair cut by Lizzy
$= \frac{3}{4} \times 36 = 3 \times 9 = 27 c m$

Length of remaining hair
$= 36 - 27 = 9 c m$

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Lizzy wants to donate some of her hair to a trust. Her hair is 36 cm long and she cuts 34th of her hair. What length of her hair is she left with?

The correct option is B 9 cm Hair cut by Lizzy =34×36=3×9=27 cm Length of remaining hair =36−27=9 cm

Lizzy wants to donate some of her hair to a trust. Her hair is 36 cm long and she cuts $\frac{3}{4} t h$ of her hair. What length of her hair is she left with?

The correct option is B
9 cm

Hair cut by Lizzy
$= \frac{3}{4} \times 36 = 3 \times 9 = 27 c m$

Length of remaining hair
$= 36 - 27 = 9 c m$