Profit and Loss Practice Test 9

Question : 5 of 40

Marks: +1, -0

Due to an increase of 50% in the price of eggs, 4 eggs less are available for Rs 24. The present rate of eggs per dozen is:

Solution:

\table \Quantity ,\Price ,\Expenditure;y ,x ,24;y - 4 ,3/2x, 24

According to the statement,

xy=[y-4][3/2x]

6x=3/2xy-xy

6x={xy}/2

12 = y

Number of eggs = 12
Number of eggs reducing to 4 eggs = 12 - 4 = 8 eggs
Cost of 8 eggs = Rs 24
Cost of 1 egg

=24/8=3

Cost of per dozen eggs

=3 ×12=36

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