প্রশ্ন সংশোধন করুন
প্রশ্ন:
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is: