2 men and 1 woman board a bus of which 5 seats are vacant, one of these 5 seats is reserved for ladies. A woman may or may not sit on the seat reserved for ladies, In how many different ways can the five seats be occupied by these passengers?
Three dice (each having six faces with each face having one number from 1 or 6) are ralleWhat is the number of possible outcomes such that atleast one dice shows the number 2?
A mixed doubles tennis game is to be played two teams(each consists of one male and one female) There are four married couples. No team is to consist a husband and his wife. What is the maximum number of games that can be played?
In a question paper, there are four multiple choice type questions, each question has five choices with only one choice for it�s correct answer. What is the total number of ways in which a candidate will not get all the four answers correct?
