Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 999 · 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 simple interest on ₹14800 at 11% per year for 2 years (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
3. 3.A pair of shoes is marked at ₹940. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
4. 4.3 years ago, Kavya’s mother was four times as old as Kavya. The mother is 51 years old now. How old is Kavya now?
5. 5.The average of 4 numbers is 36. When one more number is added, the average becomes 38. What number was added?
6. 6.By selling a bicycle for ₹2068, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
7. 7.The price of a bicycle is ₹800. It goes up by 50%. What is the new price (in ₹)?
8. 8.A water tank holds 340 litres. 25% of the water is used. How many litres are left?
9. 9.Marks of 5 friends in a quiz: 21, 33, 25, 27, 69. What is their average mark?
10. 10.In 2 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
11. 11.A town has 4960 people. Its population grows by 10%. How many people live there now?
12. 12.Marks of 5 friends in a quiz: 56, 64, 52, 60, 98. What is their average mark?
13. 13.2 years ago, Kabir’s mother was four times as old as Kabir. The mother is 38 years old now. How old is Kabir now?
14. 14.A water tank holds 1560 litres. 50% of the water is used. How many litres are left?
15. 15.What sum of money earns ₹294 simple interest in 1 year at 14% per year (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹9600 at 20% per year for 2 years (in ₹)?
17. 17.Change 40 m/s into km/h.
18. 18.Diya puts ₹4700 in a bank at 2% simple interest per year. How much will she have after 5 years (in ₹)?
19. 19.Karan is 4 years older than Arjun. In 10 years, the sum of their ages will be 42. How old is Arjun now?
20. 20.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
21. 21.Rahul’s father is three times as old as Rahul. The sum of their ages is 24 years. How old is Rahul?
22. 22.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate of interest (% per year)?
23. 23.Sneha can finish a job in 20 days and Ananya in 15 days. Sneha works alone for 8 days and then stops. Ananya finishes the rest. How many days does Ananya take?
24. 24.Find the amount when ₹14375 is invested at 8% per year compound interest for 2 years (in ₹).
25. 25.The price of a school bag changes from ₹3120 to ₹3900. By what percent did it go up?
26. 26.In 16 years, Diya will be three times as old as Diya was 4 years ago. How old is Diya now?
27. 27.Aditya’s batting average after 11 innings is 50 runs. How many runs must Aditya score in the next innings to raise the average to 51?
28. 28.Find the simple interest on ₹18700 at 14% per year for 1 year (in ₹).
29. 29.The average of 6 numbers is 18. When one more number is added, the average becomes 22. What number was added?
30. 30.A bus runs at 63 km/h. How far does it go in 40 minutes (in km)?
31. 31.A price goes up by 40% and then goes up by 15% more. By what percent has it gone up in all? =
32. 32.How many minutes does a car take to go 52 km at 65 km/h?
33. 33.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹12000 at 15% per year for 2 years, added every year (in ₹).
35. 35.A pair of shoes marked at ₹4380 is sold for ₹4161. What is the discount percent?
36. 36.A price goes up by 15% and then comes down by 10%. By what percent has it gone up in all? =
37. 37.By selling a table fan for ₹1050, a shopkeeper makes a profit of 5%. What did the table fan cost the shopkeeper (in ₹)?
38. 38.The simple interest on ₹10500 for 1 year is ₹1155. What is the rate of interest (% per year)?
39. 39.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
40. 40.In how many years will ₹3000 earn ₹390 as simple interest at 13% per year?

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