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Title: Nda math
Description: These are the best notes in maths and its help you clear civil service exam
Description: These are the best notes in maths and its help you clear civil service exam
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123
NDA Maths - Permutations and Combinations
Exam Duration: 45 Mins
1 ) The values of 75P 2
(a) 2775
Total Questions : 25
is :
(b) 150
(c) 5550
(d) None of these
2 ) 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
3 ) How many words with or without meaning, can be formed by using all the letters of the word,
'DELHI' , using each letter exactly once ?
(a) 10
(b) 25
(c) 60
(d) 120
4 ) In how many ways can the letters of the word 'APPLE' be arrangned
(a) 720
(b) 120
(c) 60
(d) 180
(e) none of these
5 ) The how many ways can the letters of the word 'LEADER' be arranged?
(a) 72
(b) 144
(c) 360
(d) 720
(e) None of these
6 ) In how many different ways can the letters of the word 'RUMOUR' be arranged ?
(a) 180
(b) 90
(c) 30
(d) 720
(e) None of these
7 ) How many arrangement can be made out of the letters of the word 'ENGINEERING' ?
(a) 277200
(b) 92400
(c) 69300
(d) 23100
(e) None of these
8 ) How many words can be formed from the letters of the word 'SIGNATURE' so that the vowels
always come together ?
(a) 720
(b) 1440
(c) 2880
(d) 3600
(e) 17280
9 ) In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels
always come together ?
(a) 120
(b) 720
(c) 4320
(d) 2160
(e) None of these
10 ) In how many different ways can the letters of the word 'SOFTWARE' be arranged such a way that
the vowels always come together ?
(a) 120
(b) 360
(c) 1440
(d) 13440
(e) 720
11 ) In how many different ways can the letters of the word 'LEADING' be arranged so that the vowels
always come together ?
(a) 360
(b) 480
(c) 720
(d) 5040
(e) None of these
12 ) In how many different ways can the letters of the word 'JUDGE' be arranged so that the vowels
always come together ?
(a) 48
(b) 120
(c) 124
(d) 160
(e) None of these
13 ) In how many different ways can the letters of the word 'AUCTION' be arranged so that the vowels
always come together ?
(a) 30
(b) 48
(c) 144
(d) 576
(e) None of these
14 ) In how many different ways can the letters of the word 'BANKING' be arranged so that the vowels
always come together ?
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Title: Nda math
Description: These are the best notes in maths and its help you clear civil service exam
Description: These are the best notes in maths and its help you clear civil service exam