Four people can sit at a table in twenty-four different arrangements. How many arrangements are possible for seating eight people?
The ans is 40,320 ways
Ans: 40 Eight people can sit in 8! different ways
Ans is 40320 8*7*6*5*4*3*2=40320
Neha has 6 flower pots, each having a unique flower. Pots are arranged in a row. Neha rearrange the sequence each day but not two pots should be arranged adjacent to each other which were already adjacent to each other in previous arrangements. How many days she can do this or how many such arrangements is possible ?
The sum of ages of Mac and Jabi is 26 times the difference of their ages. Maximum possible difference of the ages is 10 years. How many possibilities for ages of the two persons are possible. (Ages are taken in integers.)
x + y + z = 19 1 < x < 5, 4 < y < 8, 10 < z < 14 How many outcomes are possible for integral values of x, y and z?
How many ways are possible to arrange 4 boys and 3 girls for a dinner, if there are two straight benches of capacity 5 and 2 persons for their sitting?