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Permutation and Combination
In a school 10 can play cricket but only 5 can play both cricket and foot ball 8 can play only football .
what is the number of students.
Read Solution (Total 2)
-
- No. of students:
10+8-5=13 - 13 years agoHelpfull: Yes(12) No(12)
- ans = 18
10 play cricket and 5 play both i.e out of 10 players 5 play both, so 10-5 = 5 play only cricket.
and given 5 play both = 5.
and people play only foot ball = 8
so 5+5+8 = 18 - 8 years agoHelpfull: Yes(0) No(2)
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