TalentJR apps
A shopkeeper buys at the cost price (CP) and sells at the selling price (SP). If SP is more, there is a profit; if less, a loss. Profit and loss percent are always worked out on the cost price.
✓ You passed this lesson’s test.
Cost price is 100% — “profit % and loss % are always worked out on the cost price”
Use it for: Shopping, running a stall at a school fair, business maths in Class 7–10, and aptitude tests.
🧮 Check your own sums with the free Profit and loss calculator — it shows the working.
Check: 15% of ₹1000 = ₹150, and 1000 + 150 = 1150 ✓
▶ Watch it animatedWork 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 🏪 Shopkeeper Sharp badge when you pass — and a certificate when you finish all 10 lessons of Part 2 · Everyday maths. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
Sign in with Google to ask Free — 20 questions a day.
Prefer a real teacher? TalentJR teachers take live online classes anywhere in India and visit homes in selected cities. Tell us what you need and our team will call you with timings and fees.