Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 204 · 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 study lamp for ₹756, a shopkeeper makes a loss of 30%. What did the study lamp cost the shopkeeper (in ₹)?
2. 2.The average of 7 numbers is 30. When one more number is added, the average becomes 36. What number was added?
3. 3.Diya puts ₹13900 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
4. 4.Diya puts ₹8200 in a bank at 5% simple interest per year. How much will she have after 4 years (in ₹)?
5. 5.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
6. 6.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
7. 7.Change 18 km/h into metres per second.
8. 8.After a 5% discount, a watch costs ₹4484. What was its marked price (in ₹)?
9. 9.In how many years will ₹18600 earn ₹1488 as simple interest at 4% per year?
10. 10.A shop sells 780 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
11. 11.A bicycle is marked at ₹450. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
12. 12.By selling a study lamp for ₹180, a shopkeeper makes a loss of 50%. What did the study lamp cost the shopkeeper (in ₹)?
13. 13.Change 40 m/s into km/h.
14. 14.8 years ago, Kavya’s mother was four times as old as Kavya. The mother is 32 years old now. How old is Kavya now?
15. 15.Find the simple interest on ₹17200 at 13% per year for 2 years (in ₹).
16. 16.Farhan can finish a job in 9 days and Diya in 12 days. Farhan works alone for 6 days and then stops. Diya finishes the rest. How many days does Diya take?
17. 17.What sum of money earns ₹1220 simple interest in 2 years at 5% per year (in ₹)?
18. 18.A bus runs at 80 km/h. How far does it go in 15 minutes (in km)?
19. 19.Aarav can finish a job in 13 days and Diya in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
20. 20.By selling a pressure cooker for ₹112, a shopkeeper makes a loss of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
21. 21.2 years ago, Pooja’s mother was four times as old as Pooja. The mother is 34 years old now. How old is Pooja now?
22. 22.A pressure cooker is marked at ₹415. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
23. 23.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
24. 24.A pressure cooker is marked at ₹1520. The shop gives a 40% discount. How much do you pay (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹15200 at 15% per year for 2 years (in ₹)?
26. 26.After a 15% discount, a study lamp costs ₹374. What was its marked price (in ₹)?
27. 27.A car runs for 3 hours at 26 km/h and then for 2 hours at 36 km/h. What is its average speed for the whole journey (in km/h)?
28. 28.A shopkeeper buys a watch for ₹1080 and sells it for ₹918. Find the loss percent.
29. 29.The price of a school bag changes from ₹4680 to ₹5382. By what percent did it go up?
30. 30.4 years ago, Tara’s mother was three times as old as Tara. The mother is 31 years old now. How old is Tara now?
31. 31.Diya puts ₹3200 in a bank at 12% simple interest per year. How much will she have after 5 years (in ₹)?
32. 32.Find the simple interest on ₹9800 at 3% per year for 2 years (in ₹).
33. 33.Marks of 6 friends in a quiz: 65, 68, 54, 44, 54, 33. What is their average mark?
34. 34.A shopkeeper buys a pair of shoes for ₹660 and sells it for ₹792. Find the profit percent.
35. 35.A pressure cooker is marked at ₹1920. The shop gives a 50% discount. How much do you pay (in ₹)?
36. 36.Vivaan is 8 years older than Zoya. In 3 years, the sum of their ages will be 36. How old is Zoya now?
37. 37.Find the compound interest on ₹1750 at 20% per year for 3 years, added every year (in ₹).
38. 38.A study lamp bought for ₹500 is sold at a loss of 20%. What is the selling price (in ₹)?
39. 39.The simple interest on ₹2900 for 3 years is ₹870. What is the rate of interest (% per year)?
40. 40.Find the compound interest on ₹31875 at 8% per year for 2 years, added every year (in ₹).

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