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EXAM Math Questions and Answer Page 8605

(#M40020782) EXAM QUESTION permutation Keep an EYE

There are 5 Rock songs, 6 Carnatic songs and 3 Indi pop songs. How many different albums can be formed using the above repertoire if the albums should contain at least 1 Rock song and 1 Carnatic song?

A.

15624

B.

16384

C.

6144

D.

240

Asked In exam MAN (12 years ago)

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(#M40020781) EXAM QUESTION permutation Keep an EYE

Ten coins are tossed simultaneously. In how many of the outcomes will the third coin turn up a head?

A.

210

B.

29

C.

3×28

D.

None of these

Asked In exam MAN (12 years ago)

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(#M40020780) EXAM QUESTION permutation Keep an EYE

The number of ways which a mixed double tennis game can be arranged amongst 9 married couples if no husband and wife play in the same is:

A.

1514

B.

1512

C.

3024

D.

3028

Asked In exam MAN (12 years ago)

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(#M40020778) EXAM QUESTION permutation Keep an EYE

There are five comics numbered from 1 to 5. In how many ways can they be arranged, so that part-1 and part-3 are never together?

A.

48

B.

72

C.

120

D.

210

Asked In exam MAN (12 years ago)

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(#M40020777) EXAM QUESTION permutation Keep an EYE

In how many ways can 6 green toys and 6 red toys be arranged, such that 2 particular red toys are never together whereas 2 particular green toys are always together?

A.

11! × 2!

B.

9! × 90

C.

4 × 10!

D.

18 × 10!

Asked In exam MAN (12 years ago)

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(#M40020775) EXAM QUESTION permutation Keep an EYE

Six boxes are numbered 1,2,34,5 and 6. Each box must contain either a white ball or a black ball. At least one box must contain a black ball and boxes containing black balls must be consecutively numbered. find the total number of ways of placing the balls.

A.

15

B.

20

C.

21

D.

36

Asked In exam MAN (12 years ago)

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(#M40020773) EXAM QUESTION permutation Keep an EYE

In a certain laboratory, chemicals are identified by a colour-coding system. There are 20 different chemicals. Each one is coded with either a single colour or a unique two-colour pair. If the order of colours in the pairs does not matter, what is the minimum number of different colours needed to code all 20 chemicals with either a single colour or a unique pair of colours?

A.

7

B.

6

C.

5

D.

8

Asked In exam MAN (12 years ago)

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(#M40020771) EXAM QUESTION permutation Keep an EYE

In how many ways can a leap year have 53 Sundays?

A.

365C7

B.

7

C.

4

D.

2

Asked In exam MAN (12 years ago)

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(#M40020770) EXAM QUESTION permutation Keep an EYE

There are 20 couples in a party. Every person greets every person except his or her spouse. People of the same sex shake hands and those of opposite sex greet each other with a namaskar (It means bringing one's own palms together and raising them to the chest level). What is the total number of handshakes and namaskar's in the party?

A.

760

B.

1140

C.

780

D.

720

Asked In exam MAN (12 years ago)

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(#M40020769) EXAM QUESTION permutation Keep an EYE

How many natural numbers less than a lakh can be formed with the digits 0,6 and 9?

A.

242

B.

243

C.

728

D.

729

Asked In exam MAN (12 years ago)

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