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The difference between the selling prices of a keyboard at losses of 15% and 25% is Rupees 50. What is the cost price?
ARupees 500
BRupees 240
CRupees 330
DRupees 300
Answer & Solution
Correct answer: A. Rupees 500
1. SP at 15% loss = 0.85 x CP; SP at 25% loss = 0.75 x CP.
2. Difference = 0.85CP - 0.75CP = 0.10 x CP = 50.
3. CP = 50 / 0.10 = 500.
_Source: RRB Group D CEN-02/2018 PYQ, Q.77._
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