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EXAM Math Questions and Answer Page 8610

(#M40020694) EXAM QUESTION permutation Keep an EYE

There are 12 yes or no questions. How many ways can these be answered?

A.

4096

B.

2048

C.

1024

D.

144

Asked In exam MAN (12 years ago)

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(#M40020693) EXAM QUESTION permutation Keep an EYE

In how many ways can six different rings be worn on four fingers of one hand?

A.

10

B.

12

C.

15

D.

16

Asked In exam MAN (12 years ago)

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(#M40020692) EXAM QUESTION permutation Keep an EYE

If 6Pr=360 and 6Cr=15 find r ?

A.

4

B.

3

C.

6

D.

5

Asked In exam MAN (12 years ago)

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(#M40020691) EXAM QUESTION permutation Keep an EYE

12 chairs are arranged in a row and are numbered 1 to 12. 4 men have to be seated in these chairs so that the chairs numbered 1 to 8 should be occupied and no two men occupy adjacent chairs. Find the number of ways the task can be done.

A.

360

B.

384

C.

432

D.

470

Asked In exam MAN (12 years ago)

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(#M40020690) EXAM QUESTION permutation Keep an EYE

Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated is:

A.

69760

B.

30240

C.

99748

D.

42386

Asked In exam MAN (12 years ago)

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(#M40020689) EXAM QUESTION permutation Keep an EYE

If 5×nP3=4×n+1P3 find n?

A.

10

B.

12

C.

11

D.

14

Asked In exam MAN (12 years ago)

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(#M40020688) EXAM QUESTION permutation Keep an EYE

The letter of the word LABOUR are permuted in all possible ways and the words thus formed are arranged as in a dictionary. What is the rank of the word LABOUR?

A.

275

B.

251

C.

240

D.

242

Asked In exam MAN (12 years ago)

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(#M40020687) EXAM QUESTION permutation Keep an EYE

A class photograph has to be taken. The front row consists of 6 girls who are sitting. 20 boys are standing behind. The two corner positions are reserved for the 2 tallest boys. In how many ways can the students be arranged?

A.

6! × 1440

B.

18! × 1440

C.

18! ×2! × 1440

D.

None of these

Asked In exam MAN (12 years ago)

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(#M40020686) EXAM QUESTION permutation Keep an EYE

There are fourteen juniors and twenty-three seniors in the Service Club. The club is to send four representatives to the State Conference.

(i)- How many different ways are there to select a group of four students to attend the conference?

(ii)- If the members of the club decide to send two juniors and two seniors, how many different groupings are possible?

A.

(i): 37C4 , (ii): 14C2×23C2

B.

(i): 37P4 , (ii): 14P2×23P2

C.

(i): 37P4 , (ii): 14C2×23C2

D.

(i): 37C4 , (ii): 14P2×23P2

Asked In exam MAN (12 years ago)

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(#M40020684) EXAM QUESTION time and work Keep an EYE

12 men cam complete a piece of work in 36 days, 18 women can complete the same piece of work in 60 days. 8 men and 20 women work together for 20 days. If only women were to complete the remaining piece of work in 4 day, how many women would be required?

A.

70

B.

28

C.

66

D.

40

Asked In exam MAN (12 years ago)

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