A wristwatch was sold at 10% profit. If the cost was 15% less and the selling price was Tk. 20 less, then the trader would have made a profit of 20%. What was the cost of the wristwatch?
Created: 6 years ago |
Updated: 2 years ago
best des
Let cp is 100, sp is 110,
At 15% less cp is = 85, at 20% profit sp = 85*120% = 102,
Difference in sp = 110 - 102 = 8,
Now, 8 = 20,
So,100 = 20*100/8 = 250 tk
Ans. 250 tk
Md Azizur Rahman
Founder of Satt
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