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Amit Yadav

· started a discussion

· 1 Months ago

what is unicode
is this type of notation uses in UPSI exam.

Question:
A reduction of 20% in the price of rice enables a person to buy 3.5 kg more rice in Rs. 385. The original price of rice per kg is:
Options:
A) Rs. 20
B) Rs.22.50
C) Rs.25
D) Rs.27.50
Solution:

Let the original rate be \(\unicode{x20B9} \)x per kg

Reduced rate = \(\unicode{x20B9} (100-20)\times\cfrac{1x}{100} \)


\(\therefore\) original rate = \(\unicode{x20B9} \)27.5 per kg

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
A techincal error occured. We fixed it.
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