Arif incurred a loss of 25% by selling a used mobile phone set at taka 1500. How much could he gain/lose by selling it at 2,200 taka?
A. 10% loss
B. 20% gain
C. 10% gain
D. 20% loss
E. None of these
সঠিক উত্তরঃ
C.
10% gain
Explanation:
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