Permutation And Combination(Quantitative Aptitude ) Questions and Answers
Question 1.
The value of 75P2 is :
4550
5550
6550
7550
Explanation:-
Answer: Option B. -> 5550
Question 2.
How many 4 – letter words with or without meaning , can be formed out of the letters of the word , ‘LOGARITHEMS’ , if repetition of letters is not allowed ?
4000
4050
5000
5040
Explanation:-
Answer: Option D. -> 5040
Question 3.
How many word with or without meaning, can be formed by using all the letters of the word,’DELHI’ , using each letter exactly once ?
80
100
120
140
Explanation:-
Answer: Option C. -> 120
Question 4.
In how many ways can the letters of the word ‘ APPLE’ be arranged ?
60
70
80
90
Explanation:-
Answer: Option A. -> 60
Question 5.
In how many can the letters of the word ‘LEADER’ be arranged ?
340
350
360
370
Explanation:-
Answer: Option C. -> 360
Question 6.
In how many different ways can the letters of the word ‘RUMOUR’ be arranged ?
150
160
170
180
Explanation:-
Answer: Option D. -> 180
Question 7.
How many word can be formed from the letters of the word ‘SIGNATURE’ so that the vowels always come together ?
17260
17270
17280
17290
Explanation:-
Answer: Option C. -> 17280
Question 8.
In how many different way can the letters of the word ‘OPTICAL’ be arranged so that the vowels always come together ?
620
720
820
none of these
Explanation:-
Answer: Option B. -> 720
Question 9.
In how many different way can the letters of the word ‘SOFTWARE’ be arranged so that the vowels always come together ?
4220
4320
4420
4520
Explanation:-
Answer: Option B. -> 4320
Question 10.
In how many different way can the letters of the word ‘LEADING’ be arranged so that the vowels always come together ?