Arithmatical - Profit and Loss

DIRECTIONS : Problems based on Profit and Loss.
1. A man buys a cycle for Rs.1400 and sells it at a loss of 15%. What is the selling price of the cycle?
  A.   Rs.1090
  B.  Rs.1160
  C.  Rs.1190
  D.  Rs.1202
Solution
S.P= 85% of Rs.1400
= Rs.(85/100×1400)
Rs.1190.
2. When a commodity is sold for Rs.34.80, there is a loss of 2%. What is the cost price of the commodity?
  A.  Rs.26.10
  B.  Rs.43
  C.  Rs.43.20
  D.  Rs.46.40
Solution
C.P= Rs.(100 / 75×34.80)
= Rs.46.40.

3. Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?
  A.  3.5
  B.  4.5
  C.  5.6
  D.  6.5
Solution
C.P of 1 toy= Rs.(375/12)
= Rs.31.25
S.P of 1 toy= Rs.33.
Therefore,Profit= (1.75/31.25×100)%
=(28/5)%
=5.6%.
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