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UPSC CDS Math Linear Equations in One and Two Variables Questions
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Question : 5
Total: 41
A person bought two articles X and Y from a departmental store. The sum of prices before sales tax was ₹ 130. There was no sales tax on the article X and 9% sales tax on the article Y. The total amount the person paid, including the sales tax was ₹ 136.75.What was the price of the article Y before sales tax ?
[2018 CDS-II]
₹ 75
₹ 85
₹ 122
₹ 125
Validate
Solution:
9% of the price of Y before sales tax = ₹136.75 – ₹ 130 = ₹ 6.75.
Price of Y before sales tax
=
6.75
×
100
9
=
₹
75
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