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MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS -NCERT FILE EXERCISE 7.1
- How many 3-digit numbers can be formed from the digits 1,2,3,4 and 5 a...
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- How many 3-digit even numbers can be formed from the digits 1,2,3,4,5,...
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- How many 4-letter code can be formed using the first 10 letters of the...
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- How many 5-digit telephone numbers can be constructed using the dig...
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- A coin is tossed 3 times and the outcomes are recorded. How many possi...
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- Given 5 flags of different colours, how many different signals can ...
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