If the price of an item increases from TK. 25 to Tk. 28 , the old price is what % of the new price?
A
10%
B
20%
C
89.29%
D
100%
Correct Answer: 89.29%
ধরি, x% তাহলে 25 = x% of 28 = x100 of 28 so x = 25×10028 = 89.29%