allery1,200 শিক্ষার্থীর একটি স্কুলে ছাত্র ও ছাত্রীর অনুপাত 7 : 5। ছাত্রীর চেয়ে ছাত্র কতজন বেশি আছে?
A200
B250
C100
D150
Answer & Solution
Correct answer: A. 200
একটি অংশ হলো 100, সুতরাং ছাত্র সংখ্যা 700 এবং ছাত্রী সংখ্যা 500, যার পার্থক্য হলো 200।
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