Few Questions: (45 min)1. In a village in each family they give birth to children till they get a boy. IF girl child they try again. What is the ratio of boys to girls.2. 2n+1 numbers in a list except for 1 num all had duplicates, how to find duplicate in O(n)3. In 1000 wine bottles stack 10 are poisoned given 10 rats what is the minimum number of tries to find the poisoned one. Rat dies once it licks...

andy

• Apr 3rd, 2013

You just need 7.

1, 3, 9, 27, 81, 243, 729

ashish

• Aug 20th, 2007

Answer to the 1st question:
Let the no. of families be m
Let the no. of children in the families be n1, n2, n3......nm
Then the ratio of girls to boys is given by
((n1+n2+n3.....nm)-m)/m

Answer Question  Select Best Answer