Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 250 · 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.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
2. 2.Find the simple interest on ₹15200 at 14% per year for 1 year (in ₹).
3. 3.6 years ago, Rahul’s mother was four times as old as Rahul. The mother is 42 years old now. How old is Rahul now?
4. 4.Diya puts ₹15800 in a bank at 8% simple interest per year. How much will she have after 1 year (in ₹)?
5. 5.After a 50% discount, a watch costs ₹170. What was its marked price (in ₹)?
6. 6.Kabir cycles to his school at 72 km/h and comes back by the same road at 56 km/h. What is his average speed for the whole trip (in km/h)?
7. 7.A price goes up by 15% and then goes up by 5% more. By what percent has it gone up in all? =
8. 8.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
9. 9.What is the difference between the compound interest and the simple interest on ₹42600 at 20% per year for 2 years (in ₹)?
10. 10.Find the amount when ₹1200 is invested at 5% per year compound interest for 2 years (in ₹).
11. 11.Kabir cycles to his school at 44 km/h and comes back by the same road at 77 km/h. What is his average speed for the whole trip (in km/h)?
12. 12.Find the compound interest on ₹9000 at 10% per year for 3 years, added every year (in ₹).
13. 13.What sum of money earns ₹480 simple interest in 1 year at 10% per year (in ₹)?
14. 14.What sum of money earns ₹6565 simple interest in 5 years at 13% per year (in ₹)?
15. 15.The average of 4 numbers is 45. When one more number is added, the average becomes 48. What number was added?
16. 16.Find the compound interest on ₹45000 at 12% per year for 2 years, added every year (in ₹).
17. 17.Isha can finish a job in 14 days and Arjun in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
18. 18.A price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
19. 19.A price goes up by 15% and then comes down by 5%. By what percent has it gone up in all? =
20. 20.The price of a school bag changes from ₹3720 to ₹3348. By what percent did it come down?
21. 21.In how many years will ₹15700 earn ₹1884 as simple interest at 3% per year?
22. 22.A table fan is marked at ₹2680. The shop gives a 10% discount. How much do you pay (in ₹)?
23. 23.Aditya’s father is twice as old as Aditya. The sum of their ages is 27 years. How old is Aditya?
24. 24.Change 20 m/s into km/h.
25. 25.After a 25% discount, a pressure cooker costs ₹3360. What was its marked price (in ₹)?
26. 26.The price of a bicycle is ₹4100. It goes up by 10%. What is the new price (in ₹)?
27. 27.A shop sells 2200 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
28. 28.By selling a pair of shoes for ₹140, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
29. 29.Diya can finish a job in 19 days and Tara in 17 days. What fraction of the job do they finish if they work together for 1 day? =
30. 30.What is the difference between the compound interest and the simple interest on ₹44400 at 10% per year for 2 years (in ₹)?
31. 31.By selling a watch for ₹1156, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
32. 32.A bicycle is marked at ₹510. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
33. 33.A study lamp is marked at ₹4360. The shop gives a 10% discount. How much do you pay (in ₹)?
34. 34.Ananya is 5 years older than Dev. In 10 years, the sum of their ages will be 79. How old is Dev now?
35. 35.A bicycle is marked at ₹4220. The shop gives a 15% discount. How much do you pay (in ₹)?
36. 36.By selling a cricket bat for ₹1458, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
37. 37.A car runs for 2 hours at 71 km/h and then for 3 hours at 26 km/h. What is its average speed for the whole journey (in km/h)?
38. 38.The price of a school bag changes from ₹3600 to ₹4500. By what percent did it go up?
39. 39.After a 5% discount, a pair of shoes costs ₹1482. What was its marked price (in ₹)?
40. 40.A table fan marked at ₹1920 is sold for ₹1728. What is the discount percent?

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