Find the average of middle two fractions if 4/7, 1/3, 2/3, 5/9 are arranged in ascending order. A farmer has 192 animals out of which 7/16 are cattle. 2/3 of cattle are dairy cows. How many dairy cows does he have?
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Answer:
Total number of animals =192
⇒ Fraction of cattle's =167
∴ Number of cattle's =167×192=84
⇒ Out of these 84 cattle's 32 are dairy cows.
∴ Number of dairy cows =32×84=56.
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