Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 516 · 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.By selling a table fan for ₹744, a shopkeeper makes a profit of 20%. What did the table fan cost the shopkeeper (in ₹)?
2. 2.The simple interest on ₹11500 for 5 years is ₹7475. What is the rate of interest (% per year)?
3. 3.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
4. 4.How many minutes does a car take to go 44 km at 80 km/h?
5. 5.A pressure cooker is marked at ₹515. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
6. 6.Kabir cycles to his school at 40 km/h and comes back by the same road at 88 km/h. What is his average speed for the whole trip (in km/h)?
7. 7.In 20 years, Arjun will be three times as old as Arjun was 6 years ago. How old is Arjun now?
8. 8.Saanvi can finish a job in 15 days and Rahul in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.A cricket bat bought for ₹480 is sold at a profit of 10%. What is the selling price (in ₹)?
10. 10.After a 5% discount, a cricket bat costs ₹3553. What was its marked price (in ₹)?
11. 11.In 13 years, Saanvi will be three times as old as Saanvi was 3 years ago. How old is Saanvi now?
12. 12.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
13. 13.A shop sells an average of 43 kg of sugar a day for 6 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
14. 14.Dev’s father is five times as old as Dev. The sum of their ages is 84 years. How old is the father?
15. 15.What is the difference between the compound interest and the simple interest on ₹12800 at 25% per year for 2 years (in ₹)?
16. 16.A bicycle bought for ₹1520 is sold at a loss of 50%. What is the selling price (in ₹)?
17. 17.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
18. 18.In how many years will ₹3100 earn ₹2170 as simple interest at 14% per year?
19. 19.After a 5% discount, a pair of shoes costs ₹4256. What was its marked price (in ₹)?
20. 20.A shop sells an average of 30 kg of sugar a day for 4 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
21. 21.The average of 9 numbers is 49. When one more number is added, the average becomes 54. What number was added?
22. 22.The price of a school bag changes from ₹140 to ₹196. By what percent did it go up?
23. 23.A study lamp is marked at ₹950. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
24. 24.Rohan is 4 years older than Kavya. In 2 years, the sum of their ages will be 40. How old is Kavya now?
25. 25.A bus runs at 48 km/h. How far does it go in 20 minutes (in km)?
26. 26.Diya puts ₹2200 in a bank at 4% simple interest per year. How much will she have after 1 year (in ₹)?
27. 27.What sum of money earns ₹612 simple interest in 3 years at 12% per year (in ₹)?
28. 28.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
29. 29.A price comes down by 15% and then comes down by 40% more. By what percent has it come down in all? =
30. 30.How many minutes does a car take to go 87 km at 30 km/h?
31. 31.Find the simple interest on ₹1100 at 13% per year for 1 year (in ₹).
32. 32.Rohan’s batting average after 11 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 51?
33. 33.A school bag bought for ₹560 is sold at a profit of 5%. What is the selling price (in ₹)?
34. 34.Pooja’s father is twice as old as Pooja. The sum of their ages is 15 years. How old is Pooja?
35. 35.Manav works twice as fast as Rahul. Together they finish a job in 9 days. How many days would Rahul take alone?
36. 36.The price of a school bag changes from ₹1580 to ₹1896. By what percent did it go up?
37. 37.Rahul can finish a job in 3 days and Tara in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.Arjun can finish a job in 18 days and Isha in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
39. 39.Change 90 km/h into metres per second.
40. 40.A shop sells an average of 24 kg of sugar a day for 4 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?

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