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Q.

A man bought a number of clips at 3 for a rupee and an equal number at 2 for a rupee. At what price per dozen should he sell them to make a profit of 20%?


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a

Rs 4

b

Rs 5

c

Rs 6

d

Rs 7 

answer is C.

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Detailed Solution

Given, a man bought a number of clips at 3 for a rupee and an equal number at 2 for a rupee.
Let us assume that he bought 1 dozen clips of each kind.
C.P of 2 dozen = 13×12+12×12=Rs 10 S.P of 2 dozen = 120% of 10
⇒ S.P of 2 dozen = Rs 120100×10
⇒ S.P of 2 dozen = Rs. 12 Hence S.P per dozen = Rs. 6.
So, option 3 is correct.
 
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A man bought a number of clips at 3 for a rupee and an equal number at 2 for a rupee. At what price per dozen should he sell them to make a profit of 20%?