Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 645 · 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.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
2. 2.In 30 years, Priya will be twice as old as Priya was 4 years ago. How old is Priya now?
3. 3.Rohan and Aarav together finish a job in 10 days. Rohan alone takes 12 days. How many days would Aarav take alone?
4. 4.A water tank holds 1480 litres. 15% of the water is used. How many litres are left?
5. 5.By selling a cricket bat for ₹946, a shopkeeper makes a profit of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
6. 6.The price of a bicycle is ₹2560. It goes up by 40%. What is the new price (in ₹)?
7. 7.A shop sells an average of 37 kg of sugar a day for 6 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
8. 8.What sum of money earns ₹7968 simple interest in 4 years at 12% per year (in ₹)?
9. 9.A car runs for 1 hour at 23 km/h and then for 3 hours at 47 km/h. What is its average speed for the whole journey (in km/h)?
10. 10.What is the difference between the compound interest and the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
11. 11.A watch is marked at ₹1760. The shop gives a 15% discount. How much do you pay (in ₹)?
12. 12.Kavya can finish a job in 6 days and Vivaan in 24 days. Kavya works alone for 5 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
13. 13.Sneha can finish a job in 8 days and Aarav in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.Kabir cycles to his school at 10 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
15. 15.Change 108 km/h into metres per second.
16. 16.Find the simple interest on ₹1800 at 15% per year for 5 years (in ₹).
17. 17.By selling a study lamp for ₹1748, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
18. 18.The price of a school bag changes from ₹1800 to ₹1440. By what percent did it come down?
19. 19.By selling a cricket bat for ₹160, a shopkeeper makes a loss of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹4000 at 5% per year for 2 years (in ₹)?
21. 21.A town has 3560 people. Its population grows by 10%. How many people live there now?
22. 22.Kabir is 5 years older than Isha. In 6 years, the sum of their ages will be 69. How old is Isha now?
23. 23.Marks of 4 friends in a quiz: 32, 13, 19, 44. What is their average mark?
24. 24.In how many years will ₹18900 earn ₹2268 as simple interest at 6% per year?
25. 25.The simple interest on ₹2700 for 2 years is ₹162. What is the rate of interest (% per year)?
26. 26.Find the compound interest on ₹32000 at 15% per year for 3 years, added every year (in ₹).
27. 27.Find the amount when ₹11450 is invested at 20% per year compound interest for 2 years (in ₹).
28. 28.Diya’s batting average after 9 innings is 26 runs. How many runs must Diya score in the next innings to raise the average to 30?
29. 29.Ananya can finish a job in 13 days and Arjun in 8 days. What fraction of the job do they finish if they work together for 3 days? =
30. 30.Nisha can finish a job in 7 days and Diya in 28 days. Nisha works alone for 5 days and then stops. Diya finishes the rest. How many days does Diya take?
31. 31.In 25 years, Dev will be three times as old as Dev was 5 years ago. How old is Dev now?
32. 32.A shop sells an average of 63 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
33. 33.Farhan can finish a job in 5 days and Kavya in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.A pair of shoes bought for ₹820 is sold at a profit of 40%. What is the selling price (in ₹)?
35. 35.A bicycle bought for ₹600 is sold at a profit of 30%. What is the selling price (in ₹)?
36. 36.A bus runs at 40 km/h. How far does it go in 15 minutes (in km)?
37. 37.A bicycle marked at ₹2160 is sold for ₹1728. What is the discount percent?
38. 38.Find the compound interest on ₹38125 at 12% per year for 2 years, added every year (in ₹).
39. 39.Diya works three times as fast as Arjun. Together they finish a job in 4 days. How many days would Arjun take alone?
40. 40.Meera’s father is five times as old as Meera. The sum of their ages is 42 years. How old is Meera?

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