Question

A father purchases dress for his three daughter. The dresses are of same color but of different size .The dress is kept in dark room .What is the probability that all the three will not choose their own dress.

a. 2/3

b. 1/3

c. 1/6

d. 1/9 answer: b

Answer 1

a. 2/3 because there r 2 dresses which is not of each of sister

Answer 2

The probability that the first girl does not pick her own dress is 2/3.

The probability that the second will not pick her own is 1/2.

Adnd there is just one left.

So, the probability is 2/3 x1/2 x 1=1/3.