6 choose 3 = 20 30 18 24 6 choose 3 means number of possible unordered combinati

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Correct Answer

20

Explanation

6 choose 3 means number of possible unordered combinations when 3 items are selected from 6 available items i.e, nothing but 6C3.

Now 6C3 = 6 x 5 x 4/3 x 2 x 1 = 120/6 = 20.

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More questions

2.
Which one is true?
I. All players are not tall.
II. All basketball players are tall.
III. All tall people are players.
IV. Some players are tall.
Options
A. IV
B. III.
C. II.
D. I.

3.
'Crawl' is related to which of the following in the same way as 'Fly' is related to 'Parrot'?
Options
A. Rabbit
B. Fish
C. Frog
D. Crocodile

6. Statements: All the locks are keys. All the keys are bats. Some watches are bats.

Conclusions:
1. Some bats are locks.
2. Some watches are keys.
3. All the keys are locks.
Options
A. Only (1) and (2)
B. Only (1)
C. Only (2)
D. Only (1) and (3)

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