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Recent questions tagged permutation

4 4 votes
1 answers 1 answer
2.4k
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arrangement of books in shelf
The number of ways of arranging 10 books on a shelf such that 2 particular books are always together is
4 4 votes
3 answers 3 answers
17.4k
17.4k views
How many 3 letter words can be formed from word PRACTICES?
How many 3 letter words can be formed from word PRACTICES?
4 4 votes
1 answers 1 answer
6.2k
6.2k views
permutation question
How many ways $10$ roses can be distributed among $3$ girls?
2 2 votes
1 1 answer
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2.7k views
CAT 1995 | Question: 78
Choose the correct option:Boxes numbered $1, 2, 3, 4$ and $5$ are kept in a row, and they are to be filled with either a red or a blue ball, such that no two adjacent box...
2 2 votes
1 answers 1 answer
3.5k
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CAT 1996 | Question: 143
A man has nine friends, four boys and five girls. In how many ways can he invite them, if there have to be exactly three girls in the invitees?$320$$150$ $80$$200$
1 1 vote
1 answers 1 answer
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17.8k views
Out of 100 students, 10 students used to drink milk(M), coffee(C) and Tea(T); 20M and C; 30C and T; 25M and T; 12M only; 5C only and 8T only. The number of students who did not drink any of this is
Out of 100 students, 10 students used to drink milk(M), coffee(C) and Tea(T); 20M and C; 30C and T; 25M and T; 12M only; 5C only and 8T only. The number of students who d...
0 0 votes
1 answers 1 answer
2.2k
2.2k views
check the question
How many 3-digit numbers can be formed from the digits 2,3,5,6,7 and 9,which are divisible by 5 and none of the digits is repeated ?
1 1 vote
1 answers 1 answer
3.2k
3.2k views
permutation and combination
An advertising board is to be designed with 5 vertical stripes using some or all of colors red, yellow and orange. In how many ways board can be designed such that no two...
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