Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 445 · 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.The average of 4 numbers is 22. When one more number is added, the average becomes 26. What number was added?
2. 2.The average of 8 numbers is 52. When one more number is added, the average becomes 55. What number was added?
3. 3.Aditya’s father is five times as old as Aditya. The sum of their ages is 84 years. How old is the father?
4. 4.Aarav can finish a job in 13 days and Priya in 7 days. What fraction of the job do they finish if they work together for 2 days? =
5. 5.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
6. 6.After a 30% discount, a watch costs ₹406. What was its marked price (in ₹)?
7. 7.The price of a bicycle is ₹1260. It goes up by 30%. What is the new price (in ₹)?
8. 8.A cricket bat marked at ₹3200 is sold for ₹3040. What is the discount percent?
9. 9.A bicycle is marked at ₹2180. The shop gives a 30% discount. How much do you pay (in ₹)?
10. 10.Dev and Ananya together finish a job in 2 days. Dev alone takes 3 days. How many days would Ananya take alone?
11. 11.What sum of money earns ₹6368 simple interest in 4 years at 8% per year (in ₹)?
12. 12.Find the compound interest on ₹21000 at 10% per year for 3 years, added every year (in ₹).
13. 13.The price of a bicycle is ₹3380. It goes up by 15%. What is the new price (in ₹)?
14. 14.A town has 760 people. Its population grows by 5%. How many people live there now?
15. 15.Find the amount when ₹3750 is invested at 8% per year compound interest for 2 years (in ₹).
16. 16.A price goes up by 20% and then goes up by 10% more. By what percent has it gone up in all? =
17. 17.Diya puts ₹18600 in a bank at 14% simple interest per year. How much will she have after 2 years (in ₹)?
18. 18.A shopkeeper buys a school bag for ₹1340 and sells it for ₹1675. Find the profit percent.
19. 19.A table fan is marked at ₹1200. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
20. 20.The average of 6 numbers is 29. When one more number is added, the average becomes 35. What number was added?
21. 21.Manav can finish a job in 15 days and Ananya in 5 days. What fraction of the job do they finish if they work together for 1 day? =
22. 22.Find the compound interest on ₹24000 at 5% per year for 3 years, added every year (in ₹).
23. 23.Tara can finish a job in 5 days and Vivaan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.A shopkeeper buys a watch for ₹440 and sells it for ₹352. Find the loss percent.
25. 25.A water tank holds 1260 litres. 5% of the water is used. How many litres are left?
26. 26.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
27. 27.A watch is marked at ₹408. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
28. 28.A watch is marked at ₹528. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
29. 29.Kabir cycles to his school at 60 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.Aditya’s batting average after 13 innings is 25 runs. How many runs must Aditya score in the next innings to raise the average to 30?
31. 31.A bicycle is marked at ₹650. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
32. 32.By selling a table fan for ₹330, a shopkeeper makes a profit of 50%. What did the table fan cost the shopkeeper (in ₹)?
33. 33.A shopkeeper buys a study lamp for ₹380 and sells it for ₹285. Find the loss percent.
34. 34.Pooja’s father is twice as old as Pooja. The sum of their ages is 36 years. How old is Pooja?
35. 35.A pair of shoes marked at ₹1320 is sold for ₹924. What is the discount percent?
36. 36.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
37. 37.A shopkeeper buys a bicycle for ₹1280 and sells it for ₹1024. Find the loss percent.
38. 38.A price comes down by 30% and then comes down by 40% more. By what percent has it come down in all? =
39. 39.Priya works twice as fast as Ananya. Together they finish a job in 11 days. How many days would Ananya take alone?
40. 40.The simple interest on ₹600 for 2 years is ₹60. What is the rate of interest (% per year)?

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