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A mechanic buys an old mobile phone for ₹ 2250 and an old laptop for ₹ 2875. He spends ₹ 250 on repairing the phone and ₹ 125 on repairing the laptop. If the phone is sold at a 20% profit and the laptop is sold at a 15% loss, find his net profit or loss.
Asked by Cl_narayan | 24 Nov, 2019, 05:20: PM
Mobile
CP = Rs. 2250
Cost after repair  = 2250+250 = 2500 Rs.
P% = 20
0.2 = (SP - CP)/CP
SP = 3000 Rs.

Laptop
CP = Rs. 2875
Cost after repair  = 2875+125 = 3000 Rs.
L% = 15
0.15 = (CP - SP)/CP
SP = 2550 Rs.

Total SP = 5550 Rs
Total CP = 5500 Rs
Profit = 50 Rs
Answered by Arun | 24 Nov, 2019, 07:12: PM

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