Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 899 · 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.Dev is 9 years older than Aarav. In 2 years, the sum of their ages will be 45. How old is Aarav now?
2. 2.The price of a school bag changes from ₹3120 to ₹1872. By what percent did it come down?
3. 3.The price of a school bag changes from ₹500 to ₹625. By what percent did it go up?
4. 4.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
5. 5.Find the compound interest on ₹40240 at 25% per year for 2 years, added every year (in ₹).
6. 6.Find the compound interest on ₹400 at 15% per year for 2 years, added every year (in ₹).
7. 7.A pressure cooker bought for ₹1460 is sold at a profit of 5%. What is the selling price (in ₹)?
8. 8.The price of a bicycle is ₹2720. It goes up by 20%. What is the new price (in ₹)?
9. 9.Find the compound interest on ₹6272 at 25% per year for 3 years, added every year (in ₹).
10. 10.Meera works three times as fast as Kabir. Together they finish a job in 6 days. How many days would Kabir take alone?
11. 11.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
12. 12.Find the compound interest on ₹48750 at 4% per year for 2 years, added every year (in ₹).
13. 13.The average of 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
14. 14.Find the simple interest on ₹1700 at 14% per year for 1 year (in ₹).
15. 15.Find the amount when ₹30000 is invested at 4% per year compound interest for 2 years (in ₹).
16. 16.By selling a table fan for ₹2100, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
17. 17.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
18. 18.A car runs for 3 hours at 37 km/h and then for 3 hours at 31 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.By selling a cricket bat for ₹483, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
20. 20.A bus runs at 84 km/h. How far does it go in 15 minutes (in km)?
21. 21.9 years ago, Rohan’s mother was three times as old as Rohan. The mother is 24 years old now. How old is Rohan now?
22. 22.A table fan marked at ₹3040 is sold for ₹2280. What is the discount percent?
23. 23.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
24. 24.Find the amount when ₹19000 is invested at 20% per year compound interest for 2 years (in ₹).
25. 25.A shop sells 540 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
26. 26.Diya’s father is five times as old as Diya. The sum of their ages is 72 years. How old is Diya?
27. 27.A pressure cooker bought for ₹220 is sold at a loss of 25%. What is the selling price (in ₹)?
28. 28.The price of a school bag changes from ₹1340 to ₹1273. By what percent did it come down?
29. 29.A water tank holds 1220 litres. 30% of the water is used. How many litres are left?
30. 30.7 years ago, Ananya’s mother was twice as old as Ananya. The mother is 19 years old now. How old is Ananya now?
31. 31.A shop sells an average of 31 kg of sugar a day for 3 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
32. 32.Find the simple interest on ₹4500 at 11% per year for 5 years (in ₹).
33. 33.What sum of money earns ₹720 simple interest in 4 years at 5% per year (in ₹)?
34. 34.A school bag bought for ₹1860 is sold at a profit of 40%. What is the selling price (in ₹)?
35. 35.Kabir can finish a job in 19 days and Kavya in 8 days. What fraction of the job do they finish if they work together for 3 days? =
36. 36.The price of a bicycle is ₹3260. It goes up by 15%. What is the new price (in ₹)?
37. 37.Tara’s father is five times as old as Tara. The sum of their ages is 42 years. How old is Tara?
38. 38.In how many years will ₹3000 earn ₹1050 as simple interest at 7% per year?
39. 39.The simple interest on ₹6200 for 2 years is ₹1612. What is the rate of interest (% per year)?
40. 40.Find the simple interest on ₹1300 at 5% per year for 1 year (in ₹).

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