Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 975 · 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.In how many years will ₹12700 earn ₹508 as simple interest at 4% per year?
2. 2.The average of 6 numbers is 32. When one more number is added, the average becomes 38. What number was added?
3. 3.Priya is 5 years older than Rohan. In 8 years, the sum of their ages will be 37. How old is Rohan now?
4. 4.In how many years will ₹5800 earn ₹406 as simple interest at 7% per year?
5. 5.Arjun can finish a job in 5 days and Kavya in 20 days. Arjun works alone for 1 day and then stops. Kavya finishes the rest. How many days does Kavya take?
6. 6.Marks of 6 friends in a quiz: 93, 97, 79, 85, 83, 85. What is their average mark?
7. 7.Farhan can finish a job in 25 days and Saanvi in 30 days. Farhan works alone for 5 days and then stops. Saanvi finishes the rest. How many days does Saanvi take?
8. 8.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
9. 9.The price of a bicycle is ₹3920. It goes up by 15%. What is the new price (in ₹)?
10. 10.After a 30% discount, a school bag costs ₹616. What was its marked price (in ₹)?
11. 11.By selling a pair of shoes for ₹272, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
12. 12.Find the compound interest on ₹7600 at 5% per year for 2 years, added every year (in ₹).
13. 13.Pooja is 2 years older than Kabir. In 5 years, the sum of their ages will be 44. How old is Kabir now?
14. 14.Find the simple interest on ₹6000 at 8% per year for 4 years (in ₹).
15. 15.A car runs for 3 hours at 72 km/h and then for 3 hours at 20 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.Aarav works twice as fast as Kavya. Together they finish a job in 12 days. How many days would Kavya take alone?
17. 17.Change 36 km/h into metres per second.
18. 18.Ishaan can finish a job in 17 days and Pooja in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.What is the difference between the compound interest and the simple interest on ₹1200 at 15% per year for 2 years (in ₹)?
20. 20.The price of a school bag changes from ₹1640 to ₹820. By what percent did it come down?
21. 21.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
22. 22.Saanvi and Aarav together finish a job in 9 days. Saanvi alone takes 10 days. How many days would Aarav take alone?
23. 23.A study lamp is marked at ₹550. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
24. 24.How many minutes does a car take to go 82 km at 40 km/h?
25. 25.Rohan is 4 years older than Arjun. In 2 years, the sum of their ages will be 22. How old is Arjun now?
26. 26.A watch bought for ₹320 is sold at a loss of 5%. What is the selling price (in ₹)?
27. 27.Find the amount when ₹43125 is invested at 8% per year compound interest for 2 years (in ₹).
28. 28.A school bag bought for ₹1900 is sold at a profit of 20%. What is the selling price (in ₹)?
29. 29.By selling a pressure cooker for ₹322, a shopkeeper makes a profit of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
30. 30.A study lamp is marked at ₹500. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
31. 31.Change 18 km/h into metres per second.
32. 32.Nisha can finish a job in 15 days and Aditya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
33. 33.Ananya can finish a job in 7 days and Isha in 21 days. Ananya works alone for 2 days and then stops. Isha finishes the rest. How many days does Isha take?
34. 34.By selling a pressure cooker for ₹1104, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
35. 35.9 years ago, Isha’s mother was twice as old as Isha. The mother is 19 years old now. How old is Isha now?
36. 36.After a 25% discount, a cricket bat costs ₹75. What was its marked price (in ₹)?
37. 37.Diya puts ₹16300 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
38. 38.By selling a watch for ₹270, a shopkeeper makes a loss of 10%. What did the watch cost the shopkeeper (in ₹)?
39. 39.Find the amount when ₹18128 is invested at 25% per year compound interest for 2 years (in ₹).
40. 40.The average of 9 numbers is 23. When one more number is added, the average becomes 24. What number was added?

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