Aptitude Quiz - Permutations and Combinations 1

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1. 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





2. 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





3. In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

A. 360
B. 480
C. 720
D. 5040
E. None of these




4. 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




5. In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

A. 810
B. 1440
C. 2880
D. 50400
E. 5760



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