Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 432 · 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 amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
2. 2.Zoya can finish a job in 18 days and Ishaan in 20 days. What fraction of the job do they finish if they work together for 2 days? =
3. 3.After a 25% discount, a school bag costs ₹2850. What was its marked price (in ₹)?
4. 4.The average of 7 numbers is 21. When one more number is added, the average becomes 27. What number was added?
5. 5.A shopkeeper buys a pair of shoes for ₹200 and sells it for ₹210. Find the profit percent.
6. 6.In 20 years, Ishaan will be twice as old as Ishaan was 4 years ago. How old is Ishaan now?
7. 7.What is the difference between the compound interest and the simple interest on ₹19400 at 10% per year for 2 years (in ₹)?
8. 8.By selling a pressure cooker for ₹880, a shopkeeper makes a loss of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
9. 9.By selling a bicycle for ₹40, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
10. 10.9 years ago, Aarav’s mother was twice as old as Aarav. The mother is 21 years old now. How old is Aarav now?
11. 11.Marks of 6 friends in a quiz: 101, 96, 82, 90, 78, 93. What is their average mark?
12. 12.By selling a cricket bat for ₹1275, a shopkeeper makes a loss of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
13. 13.By selling a table fan for ₹168, a shopkeeper makes a profit of 5%. What did the table fan cost the shopkeeper (in ₹)?
14. 14.Change 35 m/s into km/h.
15. 15.The simple interest on ₹500 for 3 years is ₹150. What is the rate of interest (% per year)?
16. 16.By selling a watch for ₹306, a shopkeeper makes a loss of 10%. What did the watch cost the shopkeeper (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹12900 at 10% per year for 2 years (in ₹)?
18. 18.By selling a bicycle for ₹693, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
19. 19.By selling a table fan for ₹1740, a shopkeeper makes a profit of 50%. What did the table fan cost the shopkeeper (in ₹)?
20. 20.A table fan is marked at ₹1680. The shop gives a 5% discount. How much do you pay (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹3500 at 20% per year for 2 years (in ₹)?
22. 22.Change 10 m/s into km/h.
23. 23.A bicycle marked at ₹3520 is sold for ₹2464. What is the discount percent?
24. 24.A shop sells 3800 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
25. 25.What is the difference between the compound interest and the simple interest on ₹13200 at 5% per year for 2 years (in ₹)?
26. 26.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
27. 27.Pooja can finish a job in 15 days and Aarav in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
28. 28.A price comes down by 10% and then comes down by 30% more. By what percent has it come down in all? =
29. 29.Aditya is 4 years older than Karan. In 7 years, the sum of their ages will be 52. How old is Karan now?
30. 30.Rahul’s father is five times as old as Rahul. The sum of their ages is 66 years. How old is Rahul?
31. 31.By selling a cricket bat for ₹270, a shopkeeper makes a profit of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
32. 32.Dev can finish a job in 13 days and Meera in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
33. 33.Change 108 km/h into metres per second.
34. 34.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
35. 35.Find the simple interest on ₹13900 at 4% per year for 3 years (in ₹).
36. 36.A cricket bat bought for ₹1420 is sold at a profit of 40%. What is the selling price (in ₹)?
37. 37.A town has 1000 people. Its population grows by 5%. How many people live there now?
38. 38.A shop sells an average of 57 kg of sugar a day for 2 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
39. 39.Aarav and Rohan together finish a job in 2 days. Aarav alone takes 3 days. How many days would Rohan take alone?
40. 40.A pressure cooker is marked at ₹2000. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?

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