Question 1

How many two digit numbers can be formed from these set of numbers {1,2,3,4,5} if repetition is not allowed?

Accepted Answer

20

Answer

9

Answer

25

Answer

2

Question 2

How many 3 digit numbers can be formed from these numbers { 0, 1, 2, 3, 4, 5 } if repetition is allowed? ( 0 cannot be the first digit )

Accepted Answer

180

Answer

360

Answer

30

Answer

36

Question 3

In how many ways can 5 Math teachers be assigned to 4 available subjects if each of the 5 teachers has equal chance of being assigned to any of the 4 subjects?

Accepted Answer

120

Answer

102

Answer

21

Answer

12

Question 4

In how many ways can 11 passengers be seated in a bus if there are only 6 seats available?

Accepted Answer

332640

Answer

462

Answer

55440

Answer

210

Question 5

In how many ways can the president, vice president and the secretary be selected from group with 20 students?

Accepted Answer

6840

Answer

6470

Answer

6740

Answer

6480

Question 6

In how many ways can 5 persons be seated in a round table with 5 chairs if 3 individuals insist on sitting next to each other?

Accepted Answer

12

Answer

14

Answer

20

Answer

360

Question 7

Determine the number of distinct permutations of the word STATISTICS.

Accepted Answer

50400

Answer

201300

Answer

26127

Answer

100800

Question 8

How many numbers of 10 digits each can be formed if the digit 2 is to be used thrice and the digit 6 to be used 4 times?

Accepted Answer

25200

Answer

604800

Answer

720

Answer

151200

Question 9

In how many ways can 5 boys and 5 girls be seated in a row of 10 chairs if the boys and the girls are to be seated alternately?

Accepted Answer

28800

Answer

14400

Answer

240

Answer

40320

Question 10

Allen got coins from his pocket which accidentally rolled on the floor. If there were 16 probable outcomes,  how many coins fell on the floor?

Accepted Answer

4

Answer

3

Answer

8

Answer

16

Question 11

In how many ways can 7 people be seated at a round table?

Accepted Answer

720

Question 12

In how many ways can 7 students be seated in a row if 2 particular students must be seated next to each other?

Accepted Answer

1440

Question 13

Determine the number of permutations of the  word ABAKADA taken altogether.

Accepted Answer

210

Question 14

Determine the number of permutations of the  word MOMMY taken altogether.

Accepted Answer

20

Question 15

How many numbers of 10 digits each can be formed if the digit 1 is to be used twice, the digit  7 to be used 4 times, and the digit 9 to be used 4 times?

Accepted Answer

3150

Question 16

A box contains 2 red, 5 blue, and 5 yellow balls. In how many ways can three balls be drawn from the box such that they are of different colors?

Accepted Answer

50

Question 17

A box contains 2 red, 5 blue, and 5 yellow balls. In how many ways can three balls be drawn from the box such that they are all blue?

Accepted Answer

10

Question 18

A box contains 2 red, 5 blue, and 5 yellow balls. In how many ways can three balls be drawn from the box such that there are no blue balls?

Accepted Answer

35

Question 19

A box contains 2 red, 5 blue, and 5 yellow balls. In how many ways can three balls be drawn from the box such that there are 2 red and 1 is yellow?

Accepted Answer

5

Question 20

In a given examination, a student is required to answer 5 of the 7 questions including 
3 of the first 4 questions. In how many ways can he answer the examination?

Accepted Answer

84

Related quizzes

Related quizzes