Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 80 · 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.What is the difference between the compound interest and the simple interest on ₹1600 at 15% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
3. 3.A price goes up by 25% and then goes up by 20% more. By what percent has it gone up in all? =
4. 4.In how many years will ₹15000 earn ₹1050 as simple interest at 7% per year?
5. 5.A pressure cooker bought for ₹1420 is sold at a loss of 20%. What is the selling price (in ₹)?
6. 6.Aditya can finish a job in 18 days and Ananya in 27 days. Aditya works alone for 16 days and then stops. Ananya finishes the rest. How many days does Ananya take?
7. 7.Find the compound interest on ₹32300 at 20% per year for 2 years, added every year (in ₹).
8. 8.A school bag is marked at ₹740. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
9. 9.A study lamp is marked at ₹1920. The shop gives a 10% discount. How much do you pay (in ₹)?
10. 10.The average of 5 numbers is 38. When one more number is added, the average becomes 41. What number was added?
11. 11.Find the compound interest on ₹48400 at 15% per year for 2 years, added every year (in ₹).
12. 12.Find the amount when ₹400 is invested at 5% per year compound interest for 2 years (in ₹).
13. 13.Sneha is 8 years older than Kabir. In 8 years, the sum of their ages will be 76. How old is Kabir now?
14. 14.A water tank holds 1980 litres. 25% of the water is used. How many litres are left?
15. 15.The average of 8 numbers is 34. When one more number is added, the average becomes 40. What number was added?
16. 16.The price of a bicycle is ₹640. It goes up by 10%. What is the new price (in ₹)?
17. 17.By selling a watch for ₹2184, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
18. 18.The average of 5 numbers is 15. When one more number is added, the average becomes 19. What number was added?
19. 19.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
20. 20.After a 50% discount, a watch costs ₹500. What was its marked price (in ₹)?
21. 21.By selling a study lamp for ₹567, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
22. 22.A town has 1500 people. Its population grows by 50%. How many people live there now?
23. 23.A pair of shoes is marked at ₹920. The shop gives a 20% discount. How much do you pay (in ₹)?
24. 24.The average of 7 numbers is 54. When one more number is added, the average becomes 60. What number was added?
25. 25.A shopkeeper buys a bicycle for ₹1340 and sells it for ₹1876. Find the profit percent.
26. 26.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
27. 27.A pair of shoes marked at ₹3380 is sold for ₹2704. What is the discount percent?
28. 28.A bicycle bought for ₹1400 is sold at a profit of 10%. What is the selling price (in ₹)?
29. 29.By selling a school bag for ₹1092, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
30. 30.A water tank holds 960 litres. 50% of the water is used. How many litres are left?
31. 31.Marks of 5 friends in a quiz: 55, 63, 43, 39, 65. What is their average mark?
32. 32.A cricket bat bought for ₹1600 is sold at a loss of 15%. What is the selling price (in ₹)?
33. 33.The price of a school bag changes from ₹2660 to ₹3724. By what percent did it go up?
34. 34.The price of a school bag changes from ₹4060 to ₹4263. By what percent did it go up?
35. 35.Aditya is 6 years older than Sneha. In 9 years, the sum of their ages will be 46. How old is Sneha now?
36. 36.The price of a bicycle is ₹620. It goes up by 5%. What is the new price (in ₹)?
37. 37.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
38. 38.Find the amount when ₹6250 is invested at 12% per year compound interest for 2 years (in ₹).
39. 39.A study lamp is marked at ₹120. The shop gives a 5% discount. How much do you pay (in ₹)?
40. 40.Manav can finish a job in 18 days and Kavya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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