Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 90 · 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.A bus runs at 66 km/h. How far does it go in 40 minutes (in km)?
2. 2.Pooja can finish a job in 10 days and Saanvi in 12 days. What fraction of the job do they finish if they work together for 3 days? =
3. 3.Pooja and Kabir together finish a job in 2 days. Pooja alone takes 3 days. How many days would Kabir take alone?
4. 4.Change 36 km/h into metres per second.
5. 5.The price of a school bag changes from ₹3580 to ₹2864. By what percent did it come down?
6. 6.Find the simple interest on ₹7300 at 8% per year for 5 years (in ₹).
7. 7.Find the compound interest on ₹29200 at 5% per year for 2 years, added every year (in ₹).
8. 8.A water tank holds 4680 litres. 25% of the water is used. How many litres are left?
9. 9.After a 10% discount, a study lamp costs ₹2304. What was its marked price (in ₹)?
10. 10.A price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
11. 11.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
12. 12.A study lamp is marked at ₹520. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
13. 13.The price of a school bag changes from ₹5000 to ₹6500. By what percent did it go up?
14. 14.A shop sells 720 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
15. 15.Kabir cycles to his school at 45 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
16. 16.A school bag is marked at ₹800. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
17. 17.A watch is marked at ₹425. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
18. 18.The average of 7 numbers is 54. When one more number is added, the average becomes 60. What number was added?
19. 19.What is the difference between the compound interest and the simple interest on ₹36600 at 20% per year for 2 years (in ₹)?
20. 20.In how many years will ₹3400 earn ₹1020 as simple interest at 10% per year?
21. 21.The average weight of 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
22. 22.By selling a pressure cooker for ₹576, a shopkeeper makes a loss of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
23. 23.A water tank holds 1720 litres. 5% of the water is used. How many litres are left?
24. 24.A shop sells an average of 34 kg of sugar a day for 2 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
25. 25.The average of 9 numbers is 39. When one more number is added, the average becomes 40. What number was added?
26. 26.A pressure cooker bought for ₹1760 is sold at a loss of 50%. What is the selling price (in ₹)?
27. 27.What sum of money earns ₹4080 simple interest in 4 years at 15% per year (in ₹)?
28. 28.A town has 180 people. Its population grows by 15%. How many people live there now?
29. 29.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
31. 31.A bicycle is marked at ₹1520. The shop gives a 15% discount. How much do you pay (in ₹)?
32. 32.A town has 2040 people. Its population grows by 30%. How many people live there now?
33. 33.By selling a table fan for ₹1817, a shopkeeper makes a profit of 15%. What did the table fan cost the shopkeeper (in ₹)?
34. 34.Find the compound interest on ₹20352 at 25% per year for 3 years, added every year (in ₹).
35. 35.By selling a cricket bat for ₹1575, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
36. 36.Diya’s batting average after 5 innings is 39 runs. How many runs must Diya score in the next innings to raise the average to 40?
37. 37.A bicycle is marked at ₹1350. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
38. 38.A cricket bat bought for ₹860 is sold at a loss of 5%. What is the selling price (in ₹)?
39. 39.Find the amount when ₹28125 is invested at 12% per year compound interest for 2 years (in ₹).
40. 40.Find the amount when ₹31875 is invested at 12% per year compound interest for 2 years (in ₹).

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