A box contains tickets numbered from 1 to 16 3 tickets are to be chosen to give 3 prizes What is the...........

Quantitative Aptitude ( CCS) Probability

A box contains tickets numbered from 1 to 16. 3 tickets are to be chosen to give 3 prizes. What is the probability that at least 2 tickets contain a number which is multiple of 4?

19/240

11/240

43/240

33/240

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Explanation:

From 1 to 16, there are 4 numbers which are multiple of 4
1st 2 are multiple of 4, and one any other number from (16-4) = 12
tickets 4c2*12c1/16c3 = 72/560
2nd all are multiples of 4.
4c3/16c3=4/560
Add both 72/560+4/560.=76/560=19/240