There are 40 animals in a zoo out of which 10 animals have been recently admitted from another zoo. What is the fraction of the animals which are old?

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Solution

The correct options are
B

C

Old animals = 40 - 10 = 30

Fraction of old animals presently in the zoo = $\frac{30}{40} = \frac{3}{4} \times \frac{2}{2} = \frac{6}{8}$

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There are 40 animals in a zoo out of which 10 animals have been recently admitted from another zoo. What is the fraction of the animals which are old?

The correct options are B C Old animals = 40 - 10 = 30 Fraction of old animals presently in the zoo =3040=34×22=68

The correct options are
B

C

Old animals = 40 - 10 = 30

Fraction of old animals presently in the zoo = $\frac{30}{40} = \frac{3}{4} \times \frac{2}{2} = \frac{6}{8}$