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- Engineering
- Suppose A1 A2 A3 are 30 sets each having 5 element and B
IMG_20190113_102418_272.jpg
Explain 11 6
11. Suppose At, A, .... A30 are thirty sets each having
5 elements and B B Bn are n sets each having
B —S and each element of
3 elements. Let ¯
S belongs to exactly 10 of A's and exactly 9 of Bj' s.
The value of n is equal to
INCERT
(a) 15
(c) 45
(d) None of these
Answers (1)
@Ramakrishna
Q11
Since each Ai has 5 elements and each element of S belongs to exactly 10 of Ai 's
View full answer
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