Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 828 · 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.The price of a bicycle is ₹4280. It goes up by 20%. What is the new price (in ₹)?
2. 2.Change 108 km/h into metres per second.
3. 3.Find the amount when ₹13000 is invested at 10% per year compound interest for 2 years (in ₹).
4. 4.The average of 9 numbers is 37. When one more number is added, the average becomes 39. What number was added?
5. 5.A bicycle is marked at ₹560. The shop gives a 50% discount. How much do you pay (in ₹)?
6. 6.How many minutes does a car take to go 19 km at 38 km/h?
7. 7.What is the difference between the compound interest and the simple interest on ₹9200 at 25% per year for 2 years (in ₹)?
8. 8.The average of 5 numbers is 40. When one more number is added, the average becomes 44. What number was added?
9. 9.In 28 years, Rahul will be twice as old as Rahul was 3 years ago. How old is Rahul now?
10. 10.Manav’s father is five times as old as Manav. The sum of their ages is 78 years. How old is Manav?
11. 11.Marks of 5 friends in a quiz: 66, 83, 58, 82, 76. What is their average mark?
12. 12.What sum of money earns ₹91 simple interest in 1 year at 7% per year (in ₹)?
13. 13.Change 25 m/s into km/h.
14. 14.What sum of money earns ₹952 simple interest in 4 years at 7% per year (in ₹)?
15. 15.A bus runs at 32 km/h. How far does it go in 15 minutes (in km)?
16. 16.The price of a school bag changes from ₹1360 to ₹1700. By what percent did it go up?
17. 17.In 15 years, Zoya will be three times as old as Zoya was 5 years ago. How old is Zoya now?
18. 18.A water tank holds 680 litres. 40% of the water is used. How many litres are left?
19. 19.Find the simple interest on ₹17100 at 4% per year for 5 years (in ₹).
20. 20.The average of 4 numbers is 42. When one more number is added, the average becomes 46. What number was added?
21. 21.In how many years will ₹16200 earn ₹5184 as simple interest at 8% per year?
22. 22.In 28 years, Dev will be twice as old as Dev was 4 years ago. How old is Dev now?
23. 23.After a 5% discount, a bicycle costs ₹2508. What was its marked price (in ₹)?
24. 24.The price of a school bag changes from ₹660 to ₹396. By what percent did it come down?
25. 25.10 years ago, Ananya’s mother was three times as old as Ananya. The mother is 37 years old now. How old is Ananya now?
26. 26.In 30 years, Sneha will be three times as old as Sneha was 4 years ago. How old is Sneha now?
27. 27.A shop sells 2100 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
28. 28.Find the amount when ₹21875 is invested at 8% per year compound interest for 2 years (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹17100 at 20% per year for 2 years (in ₹)?
30. 30.Rahul works three times as fast as Meera. Together they finish a job in 12 days. How many days would Meera take alone?
31. 31.What sum of money earns ₹1128 simple interest in 4 years at 6% per year (in ₹)?
32. 32.Find the simple interest on ₹8000 at 4% per year for 2 years (in ₹).
33. 33.A town has 80 people. Its population grows by 5%. How many people live there now?
34. 34.The simple interest on ₹12400 for 1 year is ₹1488. What is the rate of interest (% per year)?
35. 35.Meera is 3 years older than Ishaan. In 8 years, the sum of their ages will be 47. How old is Ishaan now?
36. 36.The average of 5 numbers is 41. When one more number is added, the average becomes 45. What number was added?
37. 37.A shopkeeper buys a table fan for ₹460 and sells it for ₹506. Find the profit percent.
38. 38.A shopkeeper buys a watch for ₹500 and sells it for ₹475. Find the loss percent.
39. 39.Diya puts ₹2000 in a bank at 12% simple interest per year. How much will she have after 4 years (in ₹)?
40. 40.A shop sells an average of 69 kg of sugar a day for 2 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

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