Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 926 · 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.Find the compound interest on ₹13500 at 20% per year for 3 years, added every year (in ₹).
2. 2.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
3. 3.What is the difference between the compound interest and the simple interest on ₹24400 at 5% per year for 2 years (in ₹)?
4. 4.Change 25 m/s into km/h.
5. 5.Diya puts ₹3700 in a bank at 3% simple interest per year. How much will she have after 5 years (in ₹)?
6. 6.Dev is 2 years older than Farhan. In 3 years, the sum of their ages will be 22. How old is Farhan now?
7. 7.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
8. 8.A car runs for 1 hour at 31 km/h and then for 3 hours at 43 km/h. What is its average speed for the whole journey (in km/h)?
9. 9.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
10. 10.After a 40% discount, a watch costs ₹1704. What was its marked price (in ₹)?
11. 11.A bus runs at 40 km/h. How far does it go in 30 minutes (in km)?
12. 12.Dev is 9 years older than Kabir. In 8 years, the sum of their ages will be 69. How old is Kabir now?
13. 13.Change 15 m/s into km/h.
14. 14.After a 50% discount, a bicycle costs ₹2470. What was its marked price (in ₹)?
15. 15.A pressure cooker is marked at ₹580. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
16. 16.After a 5% discount, a watch costs ₹3211. What was its marked price (in ₹)?
17. 17.Marks of 4 friends in a quiz: 32, 46, 28, 18. What is their average mark?
18. 18.Manav works twice as fast as Kavya. Together they finish a job in 10 days. How many days would Kavya take alone?
19. 19.Aditya can finish a job in 4 days and Zoya in 16 days. Aditya works alone for 2 days and then stops. Zoya finishes the rest. How many days does Zoya take?
20. 20.A price comes down by 5% and then comes down by 15% more. By what percent has it come down in all? =
21. 21.Find the amount when ₹2000 is invested at 5% per year compound interest for 2 years (in ₹).
22. 22.Karan is 6 years older than Vivaan. In 6 years, the sum of their ages will be 40. How old is Vivaan now?
23. 23.In 14 years, Vivaan will be twice as old as Vivaan was 2 years ago. How old is Vivaan now?
24. 24.After a 5% discount, a table fan costs ₹4389. What was its marked price (in ₹)?
25. 25.By selling a table fan for ₹60, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
26. 26.Find the compound interest on ₹16875 at 8% per year for 2 years, added every year (in ₹).
27. 27.How many minutes does a car take to go 140 km at 56 km/h?
28. 28.The price of a school bag changes from ₹4720 to ₹5192. By what percent did it go up?
29. 29.Kabir cycles to his school at 63 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.A school bag bought for ₹1620 is sold at a loss of 15%. What is the selling price (in ₹)?
31. 31.A water tank holds 2660 litres. 15% of the water is used. How many litres are left?
32. 32.Saanvi’s batting average after 5 innings is 36 runs. How many runs must Saanvi score in the next innings to raise the average to 38?
33. 33.Rohan’s father is four times as old as Rohan. The sum of their ages is 75 years. How old is Rohan?
34. 34.Aditya and Priya together finish a job in 8 days. Aditya alone takes 12 days. How many days would Priya take alone?
35. 35.Kabir cycles to his school at 48 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
36. 36.Find the amount when ₹33125 is invested at 8% per year compound interest for 2 years (in ₹).
37. 37.The average of 6 numbers is 60. When one more number is added, the average becomes 62. What number was added?
38. 38.A price goes up by 10% and then comes down by 5%. By what percent has it gone up in all? =
39. 39.The price of a school bag changes from ₹1960 to ₹1862. By what percent did it come down?
40. 40.The average of 9 numbers is 19. When one more number is added, the average becomes 24. What number was added?

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