Exemplar exercise problems XXXI — task. Mathematics CBSE, Class 8.

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1. Identify the rational number that does not belong with the other three. Explain your reasoning.

$\frac{-5}{11}$ ,

$\frac{-1}{2}$ ,

$\frac{-4}{9}$ ,

$\frac{-7}{3}$

Ans:

$\frac{i}{i}$

2. The cost of

$\frac{19}{4}$ metres of wire is

$Rs \ \frac{171}{2}$ . Find the cost of one metre f the wire.

Ans:

$Rs$

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