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- A number lock on a suitcase has three wheels each labelled with ten di...
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- How many numbers of six digits can be formed from the digits 0,1,3,5,7...
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- If three six faced die each marked with numbers 1 to 6 on six faces, ...
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- A coin is tossed three times and the outcomes are recorded. How many ...
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- How many numbers of four digits can be formed with the digits 1,2,3,4,...
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- How many three digits numbers can be formed by using the digits 0,1,...
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- How many natural numbers less than 1000 can be formed form the digits ...
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- How many five digit telephone numbers can be constructed using the dig...
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- Find the number of ways in which 8 distinct toys can be distributed ...
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- Find the number of ways in which one can post 5 letters in 7letter ...
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- In how many ways can 5 different balls be distributed among three bo...
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- In how many ways can 7 letters be posted in 4 letter boxes?
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- In how many ways can 4 prizes be distributed among 5 students, when No...
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- There are 10 lamps in a hall. Each one of them can be switched on i...
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- Evaluate the following: \ ^5P3
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- Evaluate the following: 15(P3)
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- Evaluate the following:5(P5)
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- if 5(p r)=6(p (r-1)) find r.
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- If 10(Pr)=5040 , find the value of rdot
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- If ^0P5+5^9P4=^(10)Pr , find the value of rdot
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