Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 449 · 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.A watch marked at ₹4720 is sold for ₹4012. What is the discount percent?
2. 2.What sum of money earns ₹1377 simple interest in 3 years at 9% per year (in ₹)?
3. 3.Tara works twice as fast as Kabir. Together they finish a job in 4 days. How many days would Kabir take alone?
4. 4.A school bag marked at ₹2940 is sold for ₹2793. What is the discount percent?
5. 5.The price of a school bag changes from ₹3500 to ₹3325. By what percent did it come down?
6. 6.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
7. 7.Isha can finish a job in 18 days and Rahul in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
8. 8.Marks of 6 friends in a quiz: 17, 22, 31, 17, 7, 38. What is their average mark?
9. 9.Pooja can finish a job in 7 days and Isha in 28 days. Pooja works alone for 2 days and then stops. Isha finishes the rest. How many days does Isha take?
10. 10.A price goes up by 50% and then goes up by 5% more. By what percent has it gone up in all? =
11. 11.A water tank holds 640 litres. 30% of the water is used. How many litres are left?
12. 12.Saanvi can finish a job in 7 days and Farhan in 20 days. What fraction of the job do they finish if they work together for 1 day? =
13. 13.What sum of money earns ₹1984 simple interest in 4 years at 8% per year (in ₹)?
14. 14.Diya puts ₹18300 in a bank at 9% simple interest per year. How much will she have after 4 years (in ₹)?
15. 15.Marks of 6 friends in a quiz: 86, 85, 75, 68, 62, 50. What is their average mark?
16. 16.What sum of money earns ₹2871 simple interest in 3 years at 11% per year (in ₹)?
17. 17.Isha works three times as fast as Aarav. Together they finish a job in 7 days. How many days would Aarav take alone?
18. 18.After a 5% discount, a study lamp costs ₹4009. What was its marked price (in ₹)?
19. 19.The price of a bicycle is ₹1780. It goes up by 50%. What is the new price (in ₹)?
20. 20.Find the compound interest on ₹15600 at 15% per year for 2 years, added every year (in ₹).
21. 21.By selling a study lamp for ₹2046, a shopkeeper makes a profit of 10%. What did the study lamp cost the shopkeeper (in ₹)?
22. 22.7 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 21 years old now. How old is Ishaan now?
23. 23.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
24. 24.By selling a school bag for ₹506, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
25. 25.The simple interest on ₹12300 for 5 years is ₹4920. What is the rate of interest (% per year)?
26. 26.A price comes down by 50% and then comes down by 50% more. By what percent has it come down in all? =
27. 27.In how many years will ₹13200 earn ₹396 as simple interest at 3% per year?
28. 28.Diya can finish a job in 6 days and Priya in 24 days. Diya works alone for 4 days and then stops. Priya finishes the rest. How many days does Priya take?
29. 29.Marks of 4 friends in a quiz: 5, 10, 24, 41. What is their average mark?
30. 30.What sum of money earns ₹2212 simple interest in 2 years at 7% per year (in ₹)?
31. 31.The average of 7 numbers is 51. When one more number is added, the average becomes 55. What number was added?
32. 32.A shop sells an average of 65 kg of sugar a day for 4 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
33. 33.A shopkeeper buys a watch for ₹1260 and sells it for ₹1512. Find the profit percent.
34. 34.By selling a pair of shoes for ₹1386, a shopkeeper makes a profit of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
35. 35.The price of a school bag changes from ₹2340 to ₹2457. By what percent did it go up?
36. 36.A bus runs at 30 km/h. How far does it go in 30 minutes (in km)?
37. 37.Find the amount when ₹37200 is invested at 15% per year compound interest for 2 years (in ₹).
38. 38.A watch is marked at ₹3000. The shop gives a 15% discount. How much do you pay (in ₹)?
39. 39.Change 54 km/h into metres per second.
40. 40.The average of 5 numbers is 16. When one more number is added, the average becomes 22. What number was added?

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