The price of an item changed from Tk. 120 to Tk. 100. Later, the price decreased again from Tk. 100 to Tk. 80 and finally the price decreased from Tk. 80 to Tk. 60. What oif the three decreases was larger in percentage term?

A 1st decrease
B 2nd decrease
C 3rd decrease
D Both 2nd and 3rd

Correct Answer: 3rd decrease

1st decrease = (120 - 100)/120×100% = 16.67% 2nd decrease = (100 - 80)/100×100% = 20% 3rd decrease = (80 - 60)/80×100% = 25% So, 3rd decrease was the largest.  
Bissoy MCQ
#গণিত #শতকরা (Percentage) #Oil & Gas Co. Ltd #Titas Gas Co.Ltd - Deputy Asst. Engineer - 18.02.2011

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