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Engineering Maths - Permutation And Combinations Online Exam Quiz

Important questions about Engineering Maths - Permutation And Combinations. Engineering Maths - Permutation And Combinations MCQ questions with answers. Engineering Maths - Permutation And Combinations exam questions and answers for students and interviews.

1. Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to

Options

A : 60

B : 120

C : 7200

D : none of these

2. The number of different permutations of the word BANANA is

Options

A : 720

B : 60

C : 120

D : 360

3. There are four bus lines between A and B; and three bus lines between Band C.

Options

A : 12

B : 48

C : 144

D : 264

5. The number of diagonals that can be drawn by joining the vertices of an octagon is

Options

A : 28

B : 48

C : 20

D : none of these

6. Ramesh has 6 friends. In how many ways can he invite one or more of them at a dinner?

Options

A : 61

B : 62

C : 63

D : 64

7. Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to

Options

A : 60

B : 120

C : 7200

D : none of these

8. In how many ways can 5 prizes be distributed among 4 boys when every boy can take one or more prizes ?

Options

A : 1024

B : 625

C : 120

D : 600A

9. How many different committees of 5 can be formed from 6 men and 4 women on which exact 3 men and 2 women serve?

Options

A : 6

B : 20

C : 60

D : 120

10. The number of words from the letters of the word 'BHARAT' in which Band H will never come together, is

Options

A : 360

B : 240

C : 120

D : none of these

11. If a five digit number divisible by 3 is to be formed using the numerals 0, 1, 2, 3, 4 and 5, without repetition, then total number of ways this can be done is

Options

A : 216

B : 240

C : 600

D : 3125

12. If sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them, then total number of triangles that can be constructed by using these points as vertices, is

Options

A : 220

B : 204

C : 205

D : 195

13. A student can take one of four Mathematics sections and one of five English sections. The number n of ways he can register for the two courses, is

Options

A : 4

B : 5

C : 20

D : 30

16. In the above problem, if the first digit cannot be 0, then

Options

A : 42100

B : 421200

C : 42400

D : 421600

17. In how many ways can 10 people be seated in a row so that a given pair is not next to each other?

Options

A : 10 ! - 9 !

B : 10! - 2(9!)

C : 9!

D : none of these

18. The number of ways to cut a six sided convex polygon whose vertices are labeled into four triangles using diagonal lines that do not cross is

Options

A : 13

B : 14

C : 12

D : 11

19. Suppose a licence plate contains two letters followed by three digits with the first digit not zero. How many different licence plates can be printed?

Options

A : 608000

B : 608200

C : 608400

D : 608600

20. Given n P r = 3024

Options

A : 3

B : 4

C : 6

D : 9

21. In a factory for five jobs the members A, B, C, D, E are eligible.

Options

A : 20

B : 30

C : 60

D : 120

22. In a factory for five jobs the member's A, B, C, D, E are eligible. All jobs can be filled in how many ways?

Options

A : 20

B : 40

C : 60

D : 120

23. If 6 identical coins are arranged in a row, then number of arrangements in which 4 are heads and 2 are tails are

Options

A : 4

B : 6

C : 12

D : 15

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