Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 75 · 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.How many minutes does a car take to go 136 km at 80 km/h?
2. 2.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
3. 3.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?
4. 4.The average weight of 6 children is 40 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
5. 5.After a 15% discount, a study lamp costs ₹935. What was its marked price (in ₹)?
6. 6.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
7. 7.After a 40% discount, a bicycle costs ₹2256. What was its marked price (in ₹)?
8. 8.By selling a bicycle for ₹1110, a shopkeeper makes a loss of 25%. What did the bicycle cost the shopkeeper (in ₹)?
9. 9.By selling a bicycle for ₹1050, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
10. 10.A school bag is marked at ₹3000. The shop gives a 10% discount. How much do you pay (in ₹)?
11. 11.A shopkeeper buys a bicycle for ₹800 and sells it for ₹480. Find the loss percent.
12. 12.By selling a study lamp for ₹2100, a shopkeeper makes a profit of 25%. What did the study lamp cost the shopkeeper (in ₹)?
13. 13.Marks of 4 friends in a quiz: 47, 57, 46, 34. What is their average mark?
14. 14.A price goes up by 30% and then goes up by 30% more. By what percent has it gone up in all? =
15. 15.By selling a study lamp for ₹171, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
16. 16.Diya puts ₹5900 in a bank at 9% simple interest per year. How much will she have after 3 years (in ₹)?
17. 17.By selling a pair of shoes for ₹1152, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
18. 18.After a 40% discount, a pair of shoes costs ₹2568. What was its marked price (in ₹)?
19. 19.A school bag is marked at ₹570. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
20. 20.Find the simple interest on ₹19800 at 4% per year for 2 years (in ₹).
21. 21.The simple interest on ₹12700 for 1 year is ₹508. What is the rate of interest (% per year)?
22. 22.A table fan is marked at ₹3440. The shop gives a 20% discount. How much do you pay (in ₹)?
23. 23.Find the compound interest on ₹1900 at 10% per year for 2 years, added every year (in ₹).
24. 24.The price of a school bag changes from ₹1720 to ₹1462. By what percent did it come down?
25. 25.What sum of money earns ₹9360 simple interest in 4 years at 15% per year (in ₹)?
26. 26.Marks of 5 friends in a quiz: 69, 79, 59, 57, 56. What is their average mark?
27. 27.Diya’s father is five times as old as Diya. The sum of their ages is 60 years. How old is the father?
28. 28.Find the compound interest on ₹35625 at 12% per year for 2 years, added every year (in ₹).
29. 29.Ananya’s batting average after 10 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 30?
30. 30.Diya puts ₹9900 in a bank at 4% simple interest per year. How much will she have after 1 year (in ₹)?
31. 31.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
32. 32.A study lamp bought for ₹1700 is sold at a loss of 20%. What is the selling price (in ₹)?
33. 33.A shopkeeper buys a table fan for ₹320 and sells it for ₹336. Find the profit percent.
34. 34.A price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
35. 35.A water tank holds 1860 litres. 50% of the water is used. How many litres are left?
36. 36.In how many years will ₹2600 earn ₹234 as simple interest at 9% per year?
37. 37.A shopkeeper buys a watch for ₹1720 and sells it for ₹1376. Find the loss percent.
38. 38.After a 20% discount, a pressure cooker costs ₹2896. What was its marked price (in ₹)?
39. 39.By selling a pressure cooker for ₹126, a shopkeeper makes a loss of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
40. 40.A pressure cooker bought for ₹580 is sold at a profit of 10%. What is the selling price (in ₹)?

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