Dear All,

I have few questions on probability, that's

1) sunitha wants to make a necklace. she has 8 beads how many different choices does she have?

2)from city A to B there are 3 different roads, from B to C there are 5, from C to D there are 2.Laxman has to go from city A to D attending some work in city B and C on the way and has to come back in the reverse order.In how many ways can he complete his journey if he has to take a different while coming back than he did while going?