A.120
B.720
C.4320
D.2160
E.None of these
Show AnswerAnswer=Option B
Permutation and Combination
In how many different ways can the letters of the word ‘MATHEMATICS’ be arranged so that the vowels always come together______?
A.10080
B.4989600
C.120960
D.None of these
Show AnswerAnswer=Option C
How many 4-letter words with or without meaning, can be formed out of the letters of the word, ‘LOGARITHMS’, if repetition of letters is not allowed_______?
A.40
B.400
C.5040
D.2520
Show AnswerAnswer=Option C
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women______?
A.63
B.90
C.126
D.45
E.135
Show AnswerAnswer=Option A
In how many different ways can the letters of the word ‘DETAIL’ be arranged in such a way that the vowels occupy only the odd positions______?
A.32
B.48
C.36
D.60
E.120
Show AnswerAnswer=Option C
A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw_______?
A.32
B.48
C.64
D.96
E.None of these
Show AnswerAnswer=Option C
In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women______?
A.266
B.5040
C.11760
D.86400
E.None of these
Show AnswerAnswer=Option C
How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated______?
A.5
B.10
C.15
D.20
Show AnswerAnswer=Option D
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there______?
A.159
B.194
C.205
D.209
E.None of these
Show AnswerAnswer=Option D
In how many ways can the letters of the word ‘LEADER’ be arranged______?
A.72
B.144
C.360
D.720
E.None of these
Show AnswerAnswer=Option C