Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 511 · 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 school bag changes from ₹2420 to ₹3146. By what percent did it go up?
2. 2.Manav’s father is twice as old as Manav. The sum of their ages is 15 years. How old is Manav?
3. 3.The simple interest on ₹12300 for 1 year is ₹1722. What is the rate of interest (% per year)?
4. 4.Marks of 6 friends in a quiz: 92, 87, 87, 94, 95, 25. What is their average mark?
5. 5.Marks of 6 friends in a quiz: 20, 29, 16, 7, 22, 38. What is their average mark?
6. 6.After a 30% discount, a table fan costs ₹1232. What was its marked price (in ₹)?
7. 7.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
8. 8.Diya puts ₹11900 in a bank at 11% simple interest per year. How much will she have after 2 years (in ₹)?
9. 9.A town has 240 people. Its population grows by 40%. How many people live there now?
10. 10.Rohan can finish a job in 13 days and Saanvi in 20 days. What fraction of the job do they finish if they work together for 2 days? =
11. 11.By selling a pair of shoes for ₹1302, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
12. 12.A shopkeeper buys a watch for ₹460 and sells it for ₹230. Find the loss percent.
13. 13.How many minutes does a car take to go 119 km at 68 km/h?
14. 14.Sneha can finish a job in 4 days and Arjun in 24 days. Sneha works alone for 1 day and then stops. Arjun finishes the rest. How many days does Arjun take?
15. 15.Find the amount when ₹3136 is invested at 25% per year compound interest for 2 years (in ₹).
16. 16.A shop sells 1080 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
17. 17.The average of 4 numbers is 43. When one more number is added, the average becomes 44. What number was added?
18. 18.Arjun can finish a job in 9 days and Ananya in 20 days. What fraction of the job do they finish if they work together for 3 days? =
19. 19.A car runs for 3 hours at 42 km/h and then for 3 hours at 26 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.What is the difference between the compound interest and the simple interest on ₹38400 at 5% per year for 2 years (in ₹)?
21. 21.Meera can finish a job in 16 days and Manav in 6 days. What fraction of the job do they finish if they work together for 2 days? =
22. 22.Arjun is 2 years older than Ananya. In 9 years, the sum of their ages will be 42. How old is Ananya now?
23. 23.6 years ago, Zoya’s mother was three times as old as Zoya. The mother is 18 years old now. How old is Zoya now?
24. 24.A cricket bat marked at ₹3900 is sold for ₹3705. What is the discount percent?
25. 25.Diya puts ₹1600 in a bank at 8% simple interest per year. How much will she have after 1 year (in ₹)?
26. 26.The price of a school bag changes from ₹1060 to ₹1484. By what percent did it go up?
27. 27.Diya puts ₹11200 in a bank at 4% simple interest per year. How much will she have after 1 year (in ₹)?
28. 28.Find the amount when ₹8750 is invested at 8% per year compound interest for 2 years (in ₹).
29. 29.A cricket bat is marked at ₹180. The shop gives a 25% discount. How much do you pay (in ₹)?
30. 30.Marks of 5 friends in a quiz: 58, 82, 81, 64, 75. What is their average mark?
31. 31.Marks of 4 friends in a quiz: 82, 77, 68, 97. What is their average mark?
32. 32.Find the compound interest on ₹23600 at 5% per year for 2 years, added every year (in ₹).
33. 33.In 7 years, Diya will be twice as old as Diya was 2 years ago. How old is Diya now?
34. 34.By selling a study lamp for ₹2184, a shopkeeper makes a profit of 20%. What did the study lamp cost the shopkeeper (in ₹)?
35. 35.Change 90 km/h into metres per second.
36. 36.Kabir’s father is five times as old as Kabir. The sum of their ages is 90 years. How old is Kabir?
37. 37.In how many years will ₹16300 earn ₹652 as simple interest at 2% per year?
38. 38.Find the compound interest on ₹43750 at 8% per year for 2 years, added every year (in ₹).
39. 39.By selling a bicycle for ₹406, a shopkeeper makes a loss of 30%. What did the bicycle cost the shopkeeper (in ₹)?
40. 40.The simple interest on ₹18600 for 3 years is ₹3906. What is the rate of interest (% per year)?

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