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Permutation

Permutation

memorize.aimemorize.ai (lvl 286)
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13 cards
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Section 1

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A number lock has 9 different digits. A combination of three digits can be set to open the lock. How many combinations are possible?

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Last updated

6 years ago

Date created

Mar 14, 2020

Cards (13)

Section 1

(13 cards)

A number lock has 9 different digits. A combination of three digits can be set to open the lock. How many combinations are possible?

Front

84

Back

Using counting principle, find the number of three-letter permutations of the seven letters S, P, R, I, T, O and E.

Front

210

Back

How many three-letter permutations of 5 vowels can be formed?

Front

60

Back

John plans to study, watch TV, sleep and play football on a Sunday. In how many ways can he choose and arrange the activities?

Front

24

Back

Marissa has 5 different toys and wants to display 3 of them. In how many ways can they be selected and arranged?

Front

60

Back

John went to a restaurant. The menu chart contains a list of 7 dishes. He wanted to order 5 dishes from the menu. State whether the way of ordering the dishes is a permutation or a combination.

Front

Combination

Back

The combination to open your lock has three pairs of numbers 16, 39, and 29. You do not remember the order of the numbers. How many different arrangements of the numbers need to be tried out to open the lock?

Front

6

Back

A detective wants to break a 3-lettered code, which has no repetition of alphabets. State whether the arrangement of alphabets in the code is a permutation or a combination.

Front

Permutation

Back

A 13-member club is choosing its President, Vice president, Secretary and Treasurer. Find the number of ways in which they can be chosen.

Front

17160

Back

How many 2-digit permutations can be formed using the 7 digits (0,1, 2, 3, 4, 5, 6)exactly once?

Front

42

Back

How many permutations are there of the letters in the word CIRCUS?

Front

720

Back

How many different 3-letter permutations can be formed using the letters in the word 'SCARED' exactly once?

Front

120

Back

In how many ways can you assign the letters A, B, C, D, P, Q, R, and S to the corners of a square?

Front

1680

Back