Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 567 · 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.What sum of money earns ₹154 simple interest in 1 year at 11% per year (in ₹)?
2. 2.Find the compound interest on ₹23750 at 8% per year for 2 years, added every year (in ₹).
3. 3.The price of a school bag changes from ₹1060 to ₹1272. By what percent did it go up?
4. 4.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
5. 5.A pressure cooker marked at ₹700 is sold for ₹560. What is the discount percent?
6. 6.A car runs for 3 hours at 51 km/h and then for 3 hours at 69 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.A water tank holds 3460 litres. 10% of the water is used. How many litres are left?
8. 8.A town has 900 people. Its population grows by 50%. How many people live there now?
9. 9.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
10. 10.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
11. 11.A water tank holds 1440 litres. 50% of the water is used. How many litres are left?
12. 12.By selling a study lamp for ₹820, a shopkeeper makes a loss of 50%. What did the study lamp cost the shopkeeper (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
14. 14.Change 54 km/h into metres per second.
15. 15.The simple interest on ₹3000 for 3 years is ₹270. What is the rate of interest (% per year)?
16. 16.Farhan’s father is twice as old as Farhan. The sum of their ages is 27 years. How old is Farhan?
17. 17.Kabir’s father is four times as old as Kabir. The sum of their ages is 40 years. How old is Kabir?
18. 18.A bus runs at 39 km/h. How far does it go in 20 minutes (in km)?
19. 19.Zoya’s batting average after 5 innings is 36 runs. How many runs must Zoya score in the next innings to raise the average to 40?
20. 20.How many minutes does a car take to go 67 km at 30 km/h?
21. 21.A shop sells 4460 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
22. 22.Sneha works three times as fast as Ananya. Together they finish a job in 12 days. How many days would Ananya take alone?
23. 23.Ananya can finish a job in 19 days and Vivaan in 18 days. What fraction of the job do they finish if they work together for 1 day? =
24. 24.Tara’s batting average after 15 innings is 41 runs. How many runs must Tara score in the next innings to raise the average to 46?
25. 25.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹20900 at 10% per year for 2 years (in ₹)?
27. 27.8 years ago, Rahul’s mother was three times as old as Rahul. The mother is 32 years old now. How old is Rahul now?
28. 28.A bicycle bought for ₹1540 is sold at a profit of 5%. What is the selling price (in ₹)?
29. 29.Pooja can finish a job in 17 days and Diya in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.A pair of shoes bought for ₹420 is sold at a loss of 50%. What is the selling price (in ₹)?
31. 31.Marks of 4 friends in a quiz: 45, 45, 50, 72. What is their average mark?
32. 32.The price of a bicycle is ₹1840. It goes up by 5%. What is the new price (in ₹)?
33. 33.A pressure cooker marked at ₹4400 is sold for ₹4180. What is the discount percent?
34. 34.A water tank holds 4100 litres. 20% of the water is used. How many litres are left?
35. 35.Priya’s batting average after 5 innings is 45 runs. How many runs must Priya score in the next innings to raise the average to 48?
36. 36.Kavya can finish a job in 5 days and Meera in 19 days. What fraction of the job do they finish if they work together for 2 days? =
37. 37.The price of a school bag changes from ₹1080 to ₹810. By what percent did it come down?
38. 38.Diya puts ₹5200 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
39. 39.Ishaan can finish a job in 7 days and Tara in 14 days. Ishaan works alone for 6 days and then stops. Tara finishes the rest. How many days does Tara take?
40. 40.A car runs for 4 hours at 76 km/h and then for 4 hours at 52 km/h. What is its average speed for the whole journey (in km/h)?

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