Answer:
0% loss and 0% gain
Step-by-step explanation:
As he sold it at 10% profit
→SP = 10% of 900 + 900
→Hence,990
Another One at 10% loss
→SP= 10% of 900-900
Hence,810
So he lost 90 rs and gained 90 rs
That means his total G%orL% = 90-90/1800×100
→0%
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