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OPTIONS
The original price of a glue tube is Rs. 10. Its price increased by x% over a period of time.
Later, due to dip in the demand, the new price was decreased by x%. What will be the
latest price of the glue tube?
Rs. 100 - X2
Re. 1
Rs. 1 - (x2/100)
Rs. 10 -(x2/1000)
Answers
Given : The original price of a glue tube is Rs. 10.
Its price increased by x% over a period of time.
Later, due to dip in the demand, the new price was decreased by x%.
To Find : What will be the latest price of the glue tube?
Rs. 100 - x²
Re. 1
Rs. 1 - (x2/100)
Rs. 10 -(x²/1000)
Solution:
The original price of a glue tube is Rs. 10.
price increased by x%
increase = (x/100)10 = x/10
Increased price = 10 + x/10
price was decreased by x%.
decrease = (x/100)(10 + x/10)
latest price of the glue tube = 10 + x/10 - (x/100)(10 + x/10)
= (10 + x/10)( 1 - x/100)
= 10 - x/10 + x/10 - x²/1000
= 10 - x²/1000
= 10 - ( x²/1000)
Rs. 10 -(x²/1000) is latest price of the glue tube
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