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The Average Price of 10 Pens is Rs. 12 While the Average Price of 8 of These Pens is Rs. 11.75. of the Remaining Two Pens, If the Price of One Pen is 60% More than the Price of the Other - Mathematics

MCQ

The average price of 10 pens is Rs. 12 while the average price of 8 of these pens is Rs. 11.75. Of the remaining two pens, if the price of one pen is 60% more than the price of the other, what is the price of each of these two pens?

Options

  • Rs. 12, Rs. 14

  • Rs.5, Rs. 7.50

  • Rs. 8, Rs. 12

  • Rs. 10, Rs. 16

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Solution

Rs. 10, Rs. 16

Explanation:

Total Price of 10 pen = 12 × 10 = 120

Price of 8 pen = 11.75 × 8 – 94.00

Price of Remaining 2 Pen = 120 – 94 = 26

Let Price of 1st pen = x

Price of 2nd pen `=160/100"x"`

`"x"+160/100"x"=26`

`260/100"x"=26`

x = 10,

`160/100xx10=16`

10 and 16

Concept: Average and Age
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