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Quantitative Aptitude Practice Arithmetic Aptitude Study Material

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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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Quantitative Aptitude Practice Arithmetic Aptitude Study Material

Permutation and Combination

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

Correct Answer Is : 720

Solution Is :

The total number of ways of answering 6 objective questions, each question having five choices are

Correct Answer Is : 15625

Solution Is :

How many three digit numbers are there with distinct digit with each digit odd?

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?

Correct Answer Is : QIIBN

Solution Is :

13.12.11.10.9.8.7.6 can be written in factorial notation as :

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.

Correct Answer Is : 60

Solution Is :

If (n + 2)! = 12 n! then n is equal to

Correct Answer Is : 2

Solution Is :

In how many ways can 9 people line up at a window of a school?

Correct Answer Is : 362880

Solution Is :

What is the number of ways of choosing 8 cards from a pack of 52 playing cards ?

Correct Answer Is : 52C8

Solution Is :

If n=9 and r=3 then n! / (n-r)! Is equal to

Correct Answer Is : 60480

Solution Is :

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