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CBSE Class 11-science Answered

in how many ways can a party of 6 boys and 6 girls be seated at a circular table so that no two girls are adajacent ??  
Asked by tluser5 | 01 Mar, 2018, 02:15: PM
answered-by-expert Expert Answer
begin mathsize 16px style When space we space arrange space persons space on space straight a space circular space table space we space keep space one space seat space is space fixed. As space per space his space place space we space will space arrange space remaining space places. 5 space boys space can space be space arrange space in space 5 factorial space ways space excluding space initially space placed space one. For space six space girls space we space have space 6 factorial space possiblities. Total space number space of space ways equals 6 factorial space 5 factorial. end style
Answered by Sneha shidid | 01 Mar, 2018, 03:40: PM

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CBSE 11-science - Maths
if npr-1/a=npr/b=npr+1/c then the value of b square/a(b+c)
Asked by tharshini8456157 | 27 Nov, 2023, 10:32: PM
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CBSE 11-science - Maths
the number of words which can be formed out of the letters of the word PARTICLE so that vowels occupy even place is
Asked by ismayilpmamu | 09 Apr, 2020, 10:10: PM
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CBSE 11-science - Maths
How many words can be formed by taking 4 letters at a time out of the letters of the words MATHEMATICS? 
Asked by Kashifimam866 | 20 Feb, 2019, 05:58: AM
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CBSE 11-science - Maths
Find the no. Of arrangements  of the letters of the  word Delhi if e always  comes before i.
Asked by Sh1989kishore | 22 Oct, 2018, 10:12: PM
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CBSE 11-science - Maths
From a group of 15 cricket players, a team of 11 players is to be chosen. In how many ways can this be done?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?
Asked by Topperlearning User | 13 Sep, 2016, 02:58: AM
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CBSE 11-science - Maths
In how many ways can 9 persons sit around a table so that all shall not have the same neighbours in any two arrangements?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
How many triangles can be obtained by joining 12 points, five of which are collinear?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
A student has to answer 10 questions, choosing at least 4 from each of part A and part B. If there are 6 questions in Part A and in part B, in how many ways can the student choose 10 questions?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
If 8 parallel lines in a plane are intersected by a family of 10 parallel lines. Find the number of parallelograms formed?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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