Question Number 206608 by BaliramKumar last updated on 20/Apr/24
Answered by Rasheed.Sindhi last updated on 20/Apr/24
$${Number}\:{of}\:{classes}\:{before}\:{recruit}.:\:\mathrm{15}−\mathrm{4}=\mathrm{11} \\ $$$${Number}\:{of}\:{old}\:{students}:\:\mathrm{11}×\mathrm{30}=\mathrm{330} \\ $$$${Number}\:{of}\:{all}\:{students}\:{now}:\mathrm{15}×\mathrm{25}=\mathrm{375} \\ $$$${New}\:{students}:\:\mathrm{375}−\mathrm{330}=\mathrm{45} \\ $$
Commented by BaliramKumar last updated on 20/Apr/24
$$\mathrm{thanks} \\ $$