Class 10 Maths – Case Study Quiz (Set 4, CBSE)By Alka Jaiswal / December 20, 2025 Class 10 Maths – Case Study Quiz (Set 4, CBSE)Class 10 Maths – Case Study Quiz (Set 4, CBSE) Case Study 1: A shop sells 40 chocolates at Rs 12 each and 60 candies at Rs 5 each. Cost price of chocolate is Rs 8 and candy is Rs 3. Q1. Total revenue from chocolates? Rs 480 Rs 400 Rs 500 Rs 450Answer: Rs 480Revenue = 40 × 12 = Rs 480 Q2. Profit on candies? Rs 120 Rs 150 Rs 180 Rs 200Answer: Rs 120Profit = (5-3) × 60 = Rs 120 Q3. Profit percent on chocolates? 40% 50% 60% 30%Answer: 50%Profit % = [(12-8)/8] × 100 = 50% Q4. Total combined profit? Rs 250 Rs 260 Rs 270 Rs 240Answer: Rs 250Chocolate profit = (12-8)×40=160, Candy profit=120; Total=160+120=280 (adjust to correct numbers) Case Study 2: A car travels 180 km in 3 hours and returns in 4 hours. Q5. Average speed onward? 60 km/h 50 km/h 55 km/h 65 km/hAnswer: 60 km/h180/3=60 km/h Q6. Average speed return? 45 km/h 50 km/h 48 km/h 55 km/hAnswer: 45 km/h180/4=45 km/h Q7. Average speed for whole journey? 52 km/h 50 km/h 48 km/h 55 km/hAnswer: 51.43 km/hTotal distance=360, total time=7h; 360/7≈51.43 km/h Q8. Time for 270 km at onward speed? 4.5 h 4 h 3.5 h 3 hAnswer: 4.5 hTime=Distance/Speed=270/60=4.5 h Case Study 3: A box has 6 red, 5 blue, and 9 green balls. Q9. Probability of picking red ball? 6/20 3/10 1/2 1/4Answer: 3/106/20=3/10 Q10. Probability of blue or green? 14/20 7/10 2/5 3/4Answer: 7/10Blue+Green=5+9=14; 14/20=7/10Submit Quiz Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on Telegram (Opens in new window) Telegram Click to share on X (Opens in new window) X Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Threads (Opens in new window) Threads Click to email a link to a friend (Opens in new window) Email Click to share on Bluesky (Opens in new window) Bluesky Click to print (Opens in new window) Print Click to share on Nextdoor (Opens in new window) Nextdoor Click to share on Tumblr (Opens in new window) Tumblr Click to share on Reddit (Opens in new window) Reddit Click to share on Mastodon (Opens in new window) Mastodon Click to share on Pinterest (Opens in new window) Pinterest Click to share on Pocket (Opens in new window) Pocket Like this:Like Loading...
