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Suppose x1,x2,….x(50) are 50 sets each h...

Suppose `x_1,x_2,….x_(50)` are 50 sets each having 10 elements and `Y_1,Y_2,….Y_n` are n sets each having 5 elements. Let `uu_(i=1)^50 X_i=uu_(i=1)^n Y_i=Z` and each element of Z belong to exactly 25 of `X_i` and exactly 6 of `Y_i` then value of n is

A

20

B

22

C

24

D

26

Text Solution

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The correct Answer is:
C
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