A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent large than the original. by what percentage has the area of logo increase?
A
50
B
80
C
100
D
125
Correct Answer: 125
ক্ষেত্রফল বৃদ্ধির পরিমাণ = (50 + 50 + 50×50100)% = 125%