Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 107 · 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.Marks of 5 friends in a quiz: 89, 93, 71, 87, 80. What is their average mark?
2. 2.Find the simple interest on ₹1500 at 3% per year for 1 year (in ₹).
3. 3.Find the compound interest on ₹16000 at 5% per year for 3 years, added every year (in ₹).
4. 4.Find the amount when ₹42000 is invested at 15% per year compound interest for 2 years (in ₹).
5. 5.Change 54 km/h into metres per second.
6. 6.Find the simple interest on ₹4900 at 4% per year for 4 years (in ₹).
7. 7.3 years ago, Kavya’s mother was twice as old as Kavya. The mother is 9 years old now. How old is Kavya now?
8. 8.Marks of 6 friends in a quiz: 60, 50, 45, 57, 49, 81. What is their average mark?
9. 9.Aditya works twice as fast as Isha. Together they finish a job in 4 days. How many days would Isha take alone?
10. 10.Sneha can finish a job in 14 days and Karan in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.Saanvi’s batting average after 10 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 52?
12. 12.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
13. 13.The price of a bicycle is ₹1380. It goes up by 30%. What is the new price (in ₹)?
14. 14.8 years ago, Ananya’s mother was four times as old as Ananya. The mother is 48 years old now. How old is Ananya now?
15. 15.Change 5 m/s into km/h.
16. 16.Find the amount when ₹45750 is invested at 20% per year compound interest for 2 years (in ₹).
17. 17.By selling a pressure cooker for ₹742, a shopkeeper makes a loss of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
18. 18.A price goes up by 10% and then goes up by 20% more. By what percent has it gone up in all? =
19. 19.The price of a bicycle is ₹420. It goes up by 20%. What is the new price (in ₹)?
20. 20.A bicycle is marked at ₹688. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
21. 21.Find the compound interest on ₹10625 at 4% per year for 2 years, added every year (in ₹).
22. 22.A shop sells an average of 28 kg of sugar a day for 2 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
23. 23.Find the amount when ₹8125 is invested at 12% per year compound interest for 2 years (in ₹).
24. 24.Marks of 5 friends in a quiz: 54, 53, 63, 59, 41. What is their average mark?
25. 25.A shop sells an average of 20 kg of sugar a day for 4 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
26. 26.How many minutes does a car take to go 28 km at 80 km/h?
27. 27.By selling a table fan for ₹672, a shopkeeper makes a profit of 20%. What did the table fan cost the shopkeeper (in ₹)?
28. 28.A watch is marked at ₹1340. The shop gives a 10% discount. How much do you pay (in ₹)?
29. 29.A watch is marked at ₹4240. The shop gives a 5% discount. How much do you pay (in ₹)?
30. 30.Diya puts ₹4500 in a bank at 14% simple interest per year. How much will she have after 5 years (in ₹)?
31. 31.Change 25 m/s into km/h.
32. 32.Change 72 km/h into metres per second.
33. 33.A table fan marked at ₹1900 is sold for ₹1520. What is the discount percent?
34. 34.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate of interest (% per year)?
35. 35.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?
36. 36.A price goes up by 10% and then goes up by 50% more. By what percent has it gone up in all? =
37. 37.Isha can finish a job in 6 days and Ananya in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.What is the difference between the compound interest and the simple interest on ₹13000 at 10% per year for 2 years (in ₹)?
39. 39.Arjun’s batting average after 5 innings is 38 runs. How many runs must Arjun score in the next innings to raise the average to 42?
40. 40.In how many years will ₹9300 earn ₹837 as simple interest at 9% per year?

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