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  • NDA Exam Mathematics Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Mathematics Permutation and Combination for NDA Exam student. This free online Mathematics study material for NDA Exam will help students in learning and doing practice on Permutation and Combination topic of NDA Exam Mathematics. The study material on Permutation and Combination, help NDA Exam Mathematics students to learn every aspect of Permutation and Combination and prepare themselves for exams by doing online test exercise for Permutation and Combination, as their study progresses in class. Kidsfront provide unique pattern of learning Mathematics with free online comprehensive study material and loads of NDA Exam Mathematics Permutation and Combination exercise prepared by the highly professionals team. Students can understand Permutation and Combination concept easily and consolidate their learning by doing practice test on Permutation and Combination regularly till they excel in Mathematics Permutation and Combination.


Permutation and Combination
How many words beginning with Q and ending with N can be formed using the letters of the word QUESTION ?

a) 720
b) 620
c) 752
d) 723



Answer
Correct Answer Is : 720
Solution Is :
The total number of ways of answering 6 objective questions, each question having five choices are

a) 15245
b) 12452
c) 15625
d) 15652



Answer
Correct Answer Is : 15625
Solution Is :
How many three digit numbers are there with distinct digit with each digit odd?

a) 60
b) 50
c) 70
d) 80



Answer
Correct Answer Is : 60
Solution Is :
If all permutations of the letters of the word BIIQN are arranged as in the dictionary, what is the 35th word?

a) QIIBN
b) QIBIN
c) QIINB
d) None of this



Answer
Correct Answer Is : QIIBN
Solution Is :
13.12.11.10.9.8.7.6 can be written in factorial notation as :

a) 13!/5!
b) 13!/6!
c) 13!/4!
d) None of this



Answer
Correct Answer Is : 13!/5!
Solution Is :
Find the number of words with or without meaning which can be made using all the letters of the word HAPPY.

a) 50
b) 60
c) 24
d) 18



Answer
Correct Answer Is : 60
Solution Is :
If (n + 2)! = 12 n! then n is equal to

a) 3
b) 2
c) 1
d) 4



Answer
Correct Answer Is : 2
Solution Is :
In how many ways can 9 people line up at a window of a school?

a) 362880
b) 3256532
c) 3628800
d) 3524865



Answer
Correct Answer Is : 362880
Solution Is :
What is the number of ways of choosing 8 cards from a pack of 52 playing cards ?

a) 52C8
b) 52P8
c) 8C52
d) 52Y8



Answer
Correct Answer Is : 52C8
Solution Is :
If n=9 and r=3 then n! / (n-r)! Is equal to

a) 60320
b) 60480
c) 65235
d) 45235



Answer
Correct Answer Is : 60480
Solution Is :
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