Let (1+x)^(10) = sum(r=0)^(10) c(r) x^ (...

Let `(1+x)^(10) = sum_(r=0)^(10) c_(r) x^ (r ) and (1+x)^(7) = sum_(r=0)^(7) d_(r) x^(r )`.
If `P= sum_(r=0)^(5) c_(2r) and Q= sum_(r=0)^(3) d_(2r+1),` then `(P)/(Q)` is equal to

A

4

B

8

C

16

D

32

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The correct Answer is:

B

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