Answer :

**(a)** It is given in the question that,

Total number of students = 4320

Number of girls = 2300

Therefore,

Required ratio =

=

=

Ratio is 115:216

**(b)** It is given in the question that,

Number of girls = 2300

Therefore,

Number of boys = 4320 – 2300

= 2020

Therefore,

Required ratio =

=

=

Ratio is 101:115**(c)** We have,

Total number of students = 4320

Also,

Number of boys = 2020

Therefore,

Required ratio =

=

=

Ratio is 101:216

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