CAT Exam

A and B have to travel from place x to place y.they have enough coins 1,5,10,25 paise.
A agrees to pay for B,only if he tells all the possible combinations of coins that can be used to pay for the ticket.

a.how many combinations are possible,if the fare is 50 paise?
b.how many combinations are possible ,if they get an discount of 10%,i.e., the fare is 45paise?

Read Solution (Total 6)

CAT Other Question

7 different objects must be divided among 3 people.In how many ways can this be done if atleast one of them gets exactly one object
five different digits are given out of these digits 4 digit numbers are formed fine the no of 4 digit numbers formed which has at lest one digit repeted