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Option 1 : Rs. 3000
Given:
A earns a profit of 15%.
B earns a profit of 10%
C earns a profit of 20%
Formula used:
C.P = (100)/(100 + profit) × (100)/(100 + profit) × (100)/(100 + profit) × S.P.
Calculation:
C.P = (100)/(100 + 15) × (100)/(100 + 10) × (100)/(100+ 20) × 4554
= (100/115) × (100/110) × (100/120) × 4554
= Rs. 3000
∴ Required price at which A purchases the goods = Rs. 3000.
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