Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 288 · 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.Find the compound interest on ₹23600 at 15% per year for 2 years, added every year (in ₹).
2. 2.A town has 3940 people. Its population grows by 5%. How many people live there now?
3. 3.A table fan is marked at ₹592. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
4. 4.A price goes up by 50% and then comes down by 30%. By what percent has it gone up in all? =
5. 5.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?
6. 6.7 years ago, Tara’s mother was twice as old as Tara. The mother is 21 years old now. How old is Tara now?
7. 7.What sum of money earns ₹642 simple interest in 2 years at 3% per year (in ₹)?
8. 8.Ishaan is 10 years older than Kabir. In 6 years, the sum of their ages will be 46. How old is Kabir now?
9. 9.Saanvi and Kavya together finish a job in 16 days. Saanvi alone takes 24 days. How many days would Kavya take alone?
10. 10.A table fan marked at ₹960 is sold for ₹480. What is the discount percent?
11. 11.Arjun is 4 years older than Aditya. In 6 years, the sum of their ages will be 62. How old is Aditya now?
12. 12.Rahul is 5 years older than Karan. In 2 years, the sum of their ages will be 51. How old is Karan now?
13. 13.The price of a bicycle is ₹4780. It goes up by 40%. What is the new price (in ₹)?
14. 14.A bus runs at 68 km/h. How far does it go in 90 minutes (in km)?
15. 15.A cricket bat bought for ₹1100 is sold at a loss of 50%. What is the selling price (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
17. 17.A price comes down by 50% and then comes down by 10% more. By what percent has it come down in all? =
18. 18.A study lamp is marked at ₹1200. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
19. 19.Zoya can finish a job in 4 days and Priya in 8 days. What fraction of the job do they finish if they work together for 2 days? =
20. 20.Kabir’s father is five times as old as Kabir. The sum of their ages is 66 years. How old is the father?
21. 21.Find the simple interest on ₹15900 at 10% per year for 4 years (in ₹).
22. 22.A car runs for 3 hours at 72 km/h and then for 1 hour at 44 km/h. What is its average speed for the whole journey (in km/h)?
23. 23.Change 10 m/s into km/h.
24. 24.What sum of money earns ₹132 simple interest in 2 years at 11% per year (in ₹)?
25. 25.Marks of 6 friends in a quiz: 42, 52, 60, 43, 59, 80. What is their average mark?
26. 26.The average of 4 numbers is 60. When one more number is added, the average becomes 65. What number was added?
27. 27.Find the compound interest on ₹48000 at 10% per year for 2 years, added every year (in ₹).
28. 28.By selling a pressure cooker for ₹322, a shopkeeper makes a loss of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
29. 29.Manav is 3 years older than Priya. In 8 years, the sum of their ages will be 31. How old is Priya now?
30. 30.The price of a bicycle is ₹3840. It goes up by 25%. What is the new price (in ₹)?
31. 31.In 12 years, Isha will be three times as old as Isha was 6 years ago. How old is Isha now?
32. 32.A pair of shoes marked at ₹1400 is sold for ₹840. What is the discount percent?
33. 33.Find the compound interest on ₹38000 at 5% per year for 2 years, added every year (in ₹).
34. 34.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
35. 35.Change 35 m/s into km/h.
36. 36.Find the simple interest on ₹2900 at 14% per year for 2 years (in ₹).
37. 37.Change 30 m/s into km/h.
38. 38.A study lamp bought for ₹260 is sold at a loss of 50%. What is the selling price (in ₹)?
39. 39.Find the compound interest on ₹42560 at 25% per year for 3 years, added every year (in ₹).
40. 40.2 years ago, Tara’s mother was twice as old as Tara. The mother is 16 years old now. How old is Tara now?

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