One dozen of eggs and ten pounds of apples are currently of the same price. If the price of egg increase by 10% and the price of apple increase up by 2% how much more will it cost to buy a dozen of eggs and ten pounds of apples?

A 2%
B 12%
C 6%
D 10%

Correct Answer: 6%

Let the price of one dozen of eggs and ten pounds of apples be P tk each.   So, total cost of one dozen of eggs and ten pounds of applles = P + P = 2P tk New price of one dozen of eggs = P + 10% of P = P + 0.1P = 1.1P New price of ten pounds of apples = P + 2% of P = 1.02P Total new price of one dozen of eggs and ten pounds of apples = 1.1P + 1.02P = 2.12P Price increase = (2.12P - 2P)/2P×100% = 6%
Bissoy MCQ
#গণিত #শতকরা (Percentage) #Social Islami Bank Ltd #Social Islami Bank Ltd - Officer - 2004

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