Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 715 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.A watch bought for ₹140 is sold at a loss of 40%. What is the selling price (in ₹)?
2. 2.Find the compound interest on ₹28750 at 8% per year for 2 years, added every year (in ₹).
3. 3.A price goes up by 25% and then comes down by 10%. By what percent has it gone up in all? =
4. 4.Saanvi’s father is twice as old as Saanvi. The sum of their ages is 33 years. How old is the father?
5. 5.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 30 years. How old is the father?
6. 6.A car runs for 3 hours at 32 km/h and then for 2 hours at 22 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.A price comes down by 40% and then comes down by 5% more. By what percent has it come down in all? =
8. 8.A table fan marked at ₹1240 is sold for ₹868. What is the discount percent?
9. 9.A water tank holds 3560 litres. 50% of the water is used. How many litres are left?
10. 10.The average weight of 5 children is 47 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
11. 11.How many minutes does a car take to go 74 km at 30 km/h?
12. 12.Find the compound interest on ₹38750 at 4% per year for 2 years, added every year (in ₹).
13. 13.A town has 4160 people. Its population grows by 10%. How many people live there now?
14. 14.What sum of money earns ₹6816 simple interest in 4 years at 12% per year (in ₹)?
15. 15.A bus runs at 36 km/h. How far does it go in 90 minutes (in km)?
16. 16.A bus runs at 84 km/h. How far does it go in 50 minutes (in km)?
17. 17.A price comes down by 25% and then comes down by 15% more. By what percent has it come down in all? =
18. 18.Marks of 4 friends in a quiz: 91, 67, 87, 67. What is their average mark?
19. 19.What is the difference between the compound interest and the simple interest on ₹7900 at 20% per year for 2 years (in ₹)?
20. 20.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
21. 21.A pair of shoes marked at ₹1620 is sold for ₹810. What is the discount percent?
22. 22.A school bag marked at ₹3620 is sold for ₹2534. What is the discount percent?
23. 23.The average weight of 12 children is 45 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
24. 24.The average of 4 numbers is 48. When one more number is added, the average becomes 52. What number was added?
25. 25.Meera can finish a job in 10 days and Nisha in 20 days. Meera works alone for 9 days and then stops. Nisha finishes the rest. How many days does Nisha take?
26. 26.Rohan is 8 years older than Saanvi. In 8 years, the sum of their ages will be 34. How old is Saanvi now?
27. 27.A watch is marked at ₹4920. The shop gives a 5% discount. How much do you pay (in ₹)?
28. 28.Aarav’s batting average after 7 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 34?
29. 29.Marks of 6 friends in a quiz: 52, 29, 48, 50, 49, 36. What is their average mark?
30. 30.Kabir cycles to his school at 60 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
31. 31.A shopkeeper buys a pressure cooker for ₹1080 and sells it for ₹1026. Find the loss percent.
32. 32.A shopkeeper buys a pair of shoes for ₹620 and sells it for ₹744. Find the profit percent.
33. 33.Arjun and Zoya together finish a job in 15 days. Arjun alone takes 18 days. How many days would Zoya take alone?
34. 34.Diya works twice as fast as Aditya. Together they finish a job in 9 days. How many days would Aditya take alone?
35. 35.Diya puts ₹1100 in a bank at 2% simple interest per year. How much will she have after 5 years (in ₹)?
36. 36.The simple interest on ₹11800 for 1 year is ₹1062. What is the rate of interest (% per year)?
37. 37.A car runs for 3 hours at 34 km/h and then for 1 hour at 78 km/h. What is its average speed for the whole journey (in km/h)?
38. 38.By selling a table fan for ₹532, a shopkeeper makes a loss of 30%. What did the table fan cost the shopkeeper (in ₹)?
39. 39.A cricket bat is marked at ₹860. The shop gives a 25% discount. How much do you pay (in ₹)?
40. 40.After a 40% discount, a cricket bat costs ₹1620. What was its marked price (in ₹)?

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