A salesman usaally makes 45% profit on every TV he sells. During a sale, he reduced his margin of profit to 40% and his sales increased by 10% . what is the ratio of his new profit to his usual profit?

A 9 : 8
B 9: 10
C 11: 10
D 44: 45

Correct Answer: 44: 45

Let, No. of Tv sells x and price of Tv is Tk. 100 Total profit = 45 × x = 45 x New sells = x + 10/100 x = 1.1x New profit = 40× 1.1 x = 44 x new profit /usual profit = 44x / 45x = 44/45 = 44 : 45
Bissoy MCQ
#গণিত #শতকরা (Percentage) #Dhaka Bank Ltd #Dhaka Bank Ltd - MTO - 09.09.2011

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