Wipro Company Numerical Ability Probability

There are 10000 families, having 4 children for each family. In how many families 2 daughters are probable.
a)625
b)529
c)none of these

Read Solution (Total 1)

possibility to have 2 daughters is =1 (2,2)/5 [(2,2),(4,0),(0,4),(1,3)(3,1)]
10^4/5=2^5
10 years agoHelpfull: Yes(0) No(3)

Wipro Other Question

A city survey found that 47% of teenagers have a part time job. The same survey found that 78% plan to attend college. If a teenager is chosen at random, what is the probability that the teenager has a part time job and plans to attend college?

a.60%
b.63%
c.37%
d.None of the above. A basket contains 7 red balls and 8 blue balls If 3 balls are picked at random, what is the probability all are red ?
a)3/8
b)1/5
c)3/7
d)1/13
e)none of these