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This practice lesson mixes questions from the whole of Part 2: percentage change, profit and loss, discount, simple and compound interest, averages, ages, speed and work. Pass it to show your everyday maths is test-ready.
✓ You passed this lesson’s test.
Find the 100% — “decide which value is the 100% (cost price, marked price, principal, start value) before you calculate”
Use it for: Revising Part 2 before a scholarship, Olympiad or school test.
Check: 680 ÷ 800 × 100 = 85%, which is 15% less than 100% ✓
▶ 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 🥈 Everyday Maths Hero 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.