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Two groups consisting of 234 boys and 28...

Two groups consisting of 234 boys and 286 girls are to participate in a drill. In how many minimum rows can all the students be divided so that any given row either consists of only boys or only girls ?

A

20

B

22

C

24

D

18

Text Solution

Verified by Experts

The correct Answer is:
A
HCF of 234 and 286

`therefore HCF " of " 234 and 286 " is " 26`
Total number of rows `=(234)/(26) +(286) /(26)=9+11=0`
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Knowledge Check

  • A group of 2n students consisting of n boys and n girls are to arranged in a row such that adjacent members are of opposite sex. The number of ways in which this can be done is :

    A
    `2(n!)`
    B
    `(n!)^(2)`
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    D
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    C
    C. 3600
    D
    D. 3200

  • In how many ways can 5 boys and 5 girls sit in a circle, so that no two boys sit together ?

    A
    `5!xx5!`
    B
    `4!xx5!`
    C
    `(5!xx5!)/2`
    D
    None of these

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