IBM Permutation And Combination Quiz -1

Question 1

Time: 00:00:00
Let X be a four-digit number with exactly three consecutive digits being same and is a multiple of 9. How many such X's are possible?

20

20

30

30

25

25

35

35

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Question 2

Time: 00:00:00
In a software company, 4/10 of people know C++, 2/4 of them know Java, 2/8 of them know neither, find the total possibility to know C++?

1/3

1/3

1/5

1/5

2/5

2/5

1/4

1/4

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Question 3

Time: 00:00:00
In a family, there are some boys and girls. All boys told that they are having equal no of brothers and sisters and girls told that they are having twice the no. of brothers than sisters. How many boys and girls present in a family?

4 boys and 3 girls

4 boys and 3 girls

3 boys and 4 girls

3 boys and 4 girls

2 boys and 5 girls

2 boys and 5 girls

5 boys and 2 girls

5 boys and 2 girls

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Question 4

Time: 00:00:00
How many words with or without meaning, can be formed by using all the letters of the word, DELHI using each letter exactly once?

720

720

24

24

None of these

None of these

120

120

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Question 5

Time: 00:00:00
How many can 6 digit telephone numbers be formed if each number
starts with 35 and no digit appears more than once?

720

720

360

360

1420

1420

1680

1680

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Question 6

Time: 00:00:00
There are 6 periods in each working day of a school. In how many ways can one organize 5 subjects such that each subject is allowed at least one period?

3200

3200

3600

3600

2400

2400

1800

1800

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Question 7

Time: 00:00:00
25 buses are running between two places P and Q. In how many ways can a person go from P to Q and return by a different bus?

625

625

600

600

576

576

None of these

None of these

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Question 8

Time: 00:00:00
On Monday a banker processed a batch of cheques, on Tuesday she processed three times as many, and on Wednesday she processed 4000 cheques. In the three days, she processed 16000 cheques. How many did she process on Tuesday?

9000

9000

3000

3000

6000

6000

12000

12000

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Question 9

Time: 00:00:00
The dimensions of a certain machine are 48" X 30" X 52". If the size of the machine is increased proportionately until the sum of its dimensions equals 156", what will be the increase in the shortest side?

6\"

6\"

8\"

8\"

12\"

12\"

16\"

16\"

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Question 10

Time: 00:00:00
In a bus, the left side is 15 seats available,3 few seats on the right side because in rear exit door.Each seat holds 3 people.In addition, there is a seat back can sit 7 people all together .how many people can sit on a bus?

52

52

49

49

95

95

88

88

66

66

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

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