Find the number of different signals tha...

Find the number of different signals that can be made by arranging at least three flags in order on a vertical pole, if 6 different coloured flags are available.

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Given 5 flags of different colours. How many different singnals can be...
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How many two digit even number with distinct digits can be formed from...
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Find the number of different signals that can be made by arranging at ...
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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 digits...
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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 singnals can be...
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Evaluate. (i) 5 ! ii) 7 ! (iii) 7 !-5 !
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Evalute the following: (12!)/(10! xx 2!)
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Evaluate (n !)/((r )!(n-r) !), when n=5, r =2
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IF 1/(8!) +1/(9!) = x/(10!) , find x.
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Evaluate 4!-3!
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Is 3!+4!=7! ?
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Compute (8!)/(6!xx2!)
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if 1/(6!) +1/(7!) = x/(8!) , find x.
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Evaluate (n!)/((n-r)!) n = 9, r = 5
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Find the number of permutation of the letters of the word ALLAHABAD.
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How many 4 -digit numbers can be formed by using' the digits 1 to 9 'i...
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