54. फलों के मूल्य में 30% कमी करने पर उनकी बिक्री 40% अधिक
हो जाती है. इससे विक्रय-मूल्य पर क्या प्रभाव पड़ेगा?
(बैंक पी०ओ० परीक्षा, 2010)
Answers
I don't no answer for this question
Given:
फलों के मूल्य में 30% कमी करने पर उनकी बिक्री 40% अधिक हो जाती है.
To find:
इससे विक्रय-मूल्य पर क्या प्रभाव पड़ेगा?
Solution:
Let's consider,
"x" → represents the original price of the fruits
"y" → represents the original no. of fruits sold
So,
The initial sale was = y × Rs. x = Rs. xy
Now,
The price of the fruits was decreased by 30%
So, The new price becomes =
and
The no. of fruits sold increased by 40%
So, The increased no. of fruits becomes =
∴ The new sale now becomes =
Since the new sale price is less than the initial sale price
Therefore,
The percentage decrease in the sale price is,
=
=
=
=
Thus, the sale price is decreased by 2%.
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