Medha goes to a stationary shop and buy 4 pink sketch pens and some yellow sketch pens. The price of a pink sketch pen was twice that of the yellow sketch pen. When shopkeeper calculated the amount, it was found that the number of sketch pens of two colors had been interchanged. This increase the amount by 50%. What is the difference between the number of pink sketch pens to the number of yellow sketch pens in the original order?

Medha goes to a stationary shop and buy 4 pink sketch pens and some ye

1.	Medha goes to a stationary shop and buy 4 pink sketch pens and some yellow sketch pens. The price of a pink sketch pen was twice that of the yellow sketch pen. When shopkeeper calculated the amount, it was found that the number of sketch pens of two colors had been interchanged. This increase the amount by 50%. What is the difference between the number of pink sketch pens to the number of yellow sketch pens in the original order?
A.	12
B.	16
C.	20
D.	8
E.	None of these
Answer» B. 16

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Medha goes to a stationary shop and buy 4 pink sketch pens and some yellow sketch pens. The price of a pink sketch pen was twice that of the yellow sketch pen. When shopkeeper calculated the amount, it was found that the number of sketch pens of two colors had been interchanged. This increase the amount by 50%. What is the difference between the number of pink sketch pens to the number of yellow sketch pens in the original order?
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