InfyTQ Permutation and Combination Quiz 3

Question 1

Time: 00:00:00
In how many different ways can the letters of the word "LEADING" be arranged in such a way that the vowels  come together?

360

360

720

720

480

480

560

560

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Question 2

Time: 00:00:00
There are 2 groups named brown and red. They can n't marry in the same group. If the husband or wife dies then the person will revert to their own group. If a person is married then the husband will have to change his group to his wife's group. Children will own the mother's group. If man is red then his mother's brother belong to which group if he is married?

red

red

red and brown

red and brown

brown

brown

none

none

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Question 3

Time: 00:00:00
Total number of 4 digit number do not having the digit 3 or 6

3584

3584

3784

3784

3215

3215

3698

3698

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Question 4

Time: 00:00:00
49 members attended the party. In that 22 are males, 27 are females. The shake hands are done between males, females, male and female. Total 12 people given shake hands. How many such kinds of such shake hands are possible?

16

16

55

55

66

66

55

55

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Question 5

Time: 00:00:00
There are two boxes,one containing 39 red balls & the other containing 26 green balls.you are allowed to move the balls b/w the boxes so that when you choose a box random & a ball at random from the chosen box,the probability of getting a red ball is maximized.this maximum probability is

0.74

0.74

0.79

0.79

0.64

0.64

0.87

0.87

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Question 6

Time: 00:00:00
In how many ways can 3 postcards can be posted in 5 postboxes?

125

125

127

127

130

130

52

52

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Question 7

Time: 00:00:00
If there are Six periods in each working day of a school, In how many ways can one arrange 5 subjects such that each subject is allowed at least one period?

3600

3600

3800

3800

3700

3700

3900

3900

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Question 8

Time: 00:00:00
If n is the sum of two consecutive odd integers and less than 100, what is greatest possibility of n ?

64

64

73

73

99

99

96

96

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Question 9

Time: 00:00:00
There are 4 boxes colored red, yellow, green and blue. If 2 boxes are selected, how many combinations are there for at least one green box or one red box to be selected?

7

7

12

12

8

8

5

5

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Question 10

Time: 00:00:00
In how many possible ways can write 3240 as a product of 3 positive integers a,b and c.

560

560

321

321

450

450

671

671

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["0","40","60","80","100"]
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