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 way in which the letters of the word 'ARRANGE' can be arranged such that both 'R' do not come together is
360
900
1260
1620
In an examination, a candidate is required to pass in four different subjects. The no. of ways in which he can fail is
24
20
15
10
A room has 6 doors. The no. of ways, in which a man can enter the room through one door and come out through a different door, is
6
12
30
36
Among the 36 teachers in a school, one principal and one vice principal are to be appointed. In how many ways this can be done?
1060
1160
1206
If 2nP3= 2. nP4, then the values of n is
4,5
6,10
1,8
2,4
How many ways are there to arrange the letters in the word 'GARDEN' with vowels in alphabetical order?
240
120
480
How many numbers between 400 and 1000 can be formed with digits 0,2,3,4,5 and 6, if no digit is repeated in the same number?
60
300
How many three -letter words can be formed from the alphabets a, b, c, d and e, if repetition is not allowed?
5
25
100
6,7
7,8
8,9
9,10
