a:b = ৩:৫ এবং a:c = ৫:৭ হলে b:c এর মান কত?
ক) ১৫:২৫
খ) ৩:৭
গ) ২৫:২১
ঘ) ২১:৩৫
Related Questions
ক) Paper is made of wood.
খ) Paper is made by wood.
গ) Paper is made from wood.
ঘ) Paper is made with wood.
ক) We should go out.
খ) Close the door.
গ) He plays football.
ঘ) May you be happy.
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