Write a letter to your elder brother telling him how you are studying for the scholarship examination.
Dear Zakir Hossain,
Hope this letter finds you well. I got your letter on time. You wanted to know how things are going with my upcoming Scholarship Examination. Well, I've been working hard and studying all my subjects really well. I think I'll be able to get around 90% in Math and about 80% in English, Bengali, and Social Science. Our headmaster has been holding special classes every morning, and they've been a big help.
Please send my warm regards to Mom and Dad. Sending my love to you and everyone else.
Take care,
Sagor