# DevSquare Quantitative Aptitude Permutation and Combination Questions

Question 1

Time: 00:00:00
In a cycle race there are 5 persons participated for 5 positions named as J,K,L,M,N.
So that in how many number of ways can make M always before N?

60

60

120

120

24

24

720

720

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Question 2

Time: 00:00:00
6 members need to be selected from different field. In such a way that 10 from java, 5 from Microsoft,8 from Oracle,2 from IBM. What is the possible combination?

5

5

120

120

12880

12880

25

25

168000

168000

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Question 3

Time: 00:00:00
99! how many zero's?

19

19

31

31

14

14

22

22

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Question 4

Time: 00:00:00
In how many different ways can 5 girls and 5 boys form a circle such that the boys and the girls alternate?

2880

2880

1400

1400

1200

1200

32

32

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Question 5

Time: 00:00:00
7 members have to be selected from 12 men and 3 women, Such that no two women can come together. In how many ways we can select them?

$12_{C_{6}}\times3_{C_{1}}+12_{C_{7}}$

$12_{C_{6}}\times3_{C_{1}}+12_{C_{7}}$

$12_{C_{7}}$

$12_{C_{7}}$

$12_{C_{6}}\times3_{C_{1}}$

$12_{C_{6}}\times3_{C_{1}}$

None

None

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Question 6

Time: 00:00:00
In how ways were team of four can be formed from four boys and three girls such that at least one boy and one girl should be there?

120

120

64

64

20

20

34

34

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Question 7

Time: 00:00:00
In how many ways can 4 men and 3 women can arrange with a condition that each men should not sit together and they must be in the order of their age.

a) 210

a) 210

b) 5040

b) 5040

c) 120

c) 120

d) none of these

d) none of these

Answer either None of these or 210(a)

Answer either None of these or 210(a)

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Question 8

Time: 00:00:00
we need to carve out 125 identical cubes from a cube . what is the minimum number of cuts needed?

16

16

25

25

5

5

12

12

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Question 9

Time: 00:00:00
Find the number of different meals of 4 items that you can get from the given menu of 6 items and no need to choose different items.

a) 120

a) 120

b) 126

b) 126

c) 5040

c) 5040

d) 15

d) 15

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lets; d1+d2+d3+d4+d5+d6=4 no.of ways of solving this equation is; n+r-1Cr-1; n=4,r=6 ans =126

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Question 10

Time: 00:00:00
If a die has 1 6 and 3 4 and 2 5 opposite each other how many such dies can be made

12

12

24

24

18

18

36

36

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