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Out of a number of Saras birds, one-four...

Out of a number of Saras birds, one-fourth the number are moving about in lotues plants, `(1)/(9)th` coupled (along) with `(1)/(4)th` as well as 7 times the square root of the number move on a hill, 56 birds remain in Vakula trees. What is the total numbre of Saras brids?

A

756

B

24

C

124

D

576

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The correct Answer is:
D
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