Hiremee Permutation and Combinations Questions with Answers

Question 1

Time: 00:00:00
How many ways the letters of the word ‘ARMOUR’ can be arranged?

720

720

300

300

640

640

360

360

None of these

None of these

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Question 2

Time: 00:00:00
In how many ways, a group of 3 boys and 2 girls can be formed out of a total of 4 boys and 4 girls?

15

15

16

16

20

20

24

24

None

None

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Question 3

Time: 00:00:00
Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

 

210

210

1050

1050

25200

25200

21400

21400

None of these

None of these

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Question 4

Time: 00:00:00
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?

 

5

5

10

10

15

15

20

20

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Question 5

Time: 00:00:00
A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

 

32

32

48

48

64

64

96

96

None of these

None of these

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Question 6

Time: 00:00:00
Evaluate permutation equation  59P3

195052

195052

195053

195053

195054

195054

185054

185054

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Question 7

Time: 00:00:00
How many words can be formed from the letters of the word "AFTER", so that the vowels never comes together.

48

48

52

52

72

72

120

120

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Question 8

Time: 00:00:00
A box contains 4 red, 3 white and 2 blue balls. Three balls are drawn at random. Find out the number of ways of selecting the balls of different colours.

 

12

12

24

24

48

48

168

168

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Question 9

Time: 00:00:00
In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together?

 

 

10080

10080

4989600

4989600

120960

120960

None of these

None of these

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["0","40","60","80","100"]
["Need more practice! \n","Keep trying! \n","Not bad! \n","Good work! \n","Perfect! \n"]