The no. of words that can be formed out of the letters of the word ARTICLE, so that the vowels occupy even places, is
574
36
754
144
The no. of ways in which 6 men and 5 women can dine on a round table' if not two women are to sit together, is
30
5! x 5!
5! x 4!
7! x 5!
It is required to seat 5 men and 4 women in a row, so that women occupy the even places. How many such arrangements are possible?
9
20
120
2880
A father with 8 children take 3 at a time to a zoological garden. If the father without taking the same 3 children more than once, then the no. of times he will go to the garden is
336
112
56
28
The no. of ways in which a committee of 5 members can be selected from 6 men and 5 women consisting of 3 men and 2 women is
100
200
300
400
From a class of 6 students, 4 are to be chosen for a competition. In how many ways can this be done?
6
15
18
24
An electrical device can be minor defective in 10 ways and major defective in 8 ways. In how many ways 2 major and 2 minor defects can occur?
5040
1260
164
80
The no. of diagonals of a polygon of n sides is
n (n-1)/2
n (n-2)/2
n(n-3)/2
n (n-5)/2
The no. of 5 digit numbers that can be formed with the digits 0,1,2,3,4 if the numbers can be repeated in the same number is
25
250
2500
12500
