The output of a glass factory was increased by 12% to keep up with the rising demand. Later, this new output was increased by another 25%, By approximately what percentage would the output now have to be decreased in order to restore to the original output?

এক ব্যবসায়ী একটি পণ্যের মূল্য ২৫% বাড়ালো, অতঃপর বর্ধিত মূল্য থেকে ২৫% কমালো। সর্বশেষ মূল্য সর্বপ্রথম মূল্যের তুলনায়-

একটি বৃত্তের ব্যাসার্ধ ১০% বৃদ্ধি পেলে, এর ক্ষেত্রফল শতকরা কত বৃদ্ধি পাবে?

If the side of a square is increased by 10%, by what percent will the area be increased?

What is the percentage increase in the area of a rectangle, if each of its side is increased by 25%?

Mr. A multiplies a number by 3 instead of dividing by 3. Resultant number is what percentage of the correct value?

What is the percentage increase in the area of a rectangle if each of its sides is increased 20%.