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Percentage questions are about “out of 100”. In profit and loss, the commonest trap is dividing by the selling price; profit and loss percent are always taken on the cost price. A discount is taken off the marked price.
✓ You passed this topic’s test.
Always out of the cost — “profit % and loss % are worked out on the cost price, never the selling price”
Use it for: Shopping, marks, discounts and profit-and-loss questions in Class 7–10.
Check: 15% of ₹400 = ₹60, and ₹400 + ₹60 = ₹460 ✓
Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the 📈 Profit Pro badge when you pass — and a certificate when you finish all 6 topics of Part 3 · Class 8–10. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
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