An event manager has ten patterns of chairs and eight patterns of tables. In how many ways can he make a pair of table and chair?
Correct Answer : B
In how many different ways can 5 girls and 5 boys form a circle such that the boys and the girls alternate?
A question paper has two parts P and Q, each containing 10 questions. If a student needs to choose 8 from part P and 4 from part Q, in how many ways can he do that?
In how many ways can 5 man draw water from 5 taps if no tap can be used more than once?