Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 321 · 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.By selling a cricket bat for ₹864, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹19200 at 15% per year for 2 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹9600 at 5% per year for 2 years (in ₹)?
4. 4.Ishaan can finish a job in 18 days and Karan in 15 days. What fraction of the job do they finish if they work together for 2 days? =
5. 5.The price of a school bag changes from ₹4380 to ₹3504. By what percent did it come down?
6. 6.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
7. 7.The average weight of 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A pair of shoes bought for ₹1020 is sold at a loss of 5%. What is the selling price (in ₹)?
9. 9.A shopkeeper buys a study lamp for ₹1500 and sells it for ₹1725. Find the profit percent.
10. 10.Kabir’s father is twice as old as Kabir. The sum of their ages is 27 years. How old is Kabir?
11. 11.The price of a bicycle is ₹4640. It goes up by 40%. What is the new price (in ₹)?
12. 12.What sum of money earns ₹3806 simple interest in 2 years at 11% per year (in ₹)?
13. 13.A price goes up by 5% and then goes up by 40% more. By what percent has it gone up in all? =
14. 14.A shopkeeper buys a bicycle for ₹1920 and sells it for ₹1728. Find the loss percent.
15. 15.The price of a school bag changes from ₹3160 to ₹4740. By what percent did it go up?
16. 16.A town has 100 people. Its population grows by 50%. How many people live there now?
17. 17.Diya puts ₹14900 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
18. 18.A shop sells 4880 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
19. 19.Diya puts ₹5300 in a bank at 13% simple interest per year. How much will she have after 1 year (in ₹)?
20. 20.A water tank holds 4800 litres. 20% of the water is used. How many litres are left?
21. 21.Find the compound interest on ₹39250 at 20% per year for 3 years, added every year (in ₹).
22. 22.In 2 years, Vivaan will be three times as old as Vivaan was 6 years ago. How old is Vivaan now?
23. 23.What sum of money earns ₹4064 simple interest in 4 years at 8% per year (in ₹)?
24. 24.A bus runs at 64 km/h. How far does it go in 15 minutes (in km)?
25. 25.Kabir cycles to his school at 12 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
26. 26.A pair of shoes is marked at ₹410. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
27. 27.The price of a bicycle is ₹320. It goes up by 30%. What is the new price (in ₹)?
28. 28.Kabir cycles to his school at 18 km/h and comes back by the same road at 36 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.Find the compound interest on ₹1600 at 15% per year for 2 years, added every year (in ₹).
30. 30.Farhan’s batting average after 6 innings is 38 runs. How many runs must Farhan score in the next innings to raise the average to 43?
31. 31.Find the compound interest on ₹38800 at 5% per year for 2 years, added every year (in ₹).
32. 32.By selling a school bag for ₹1245, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
33. 33.Find the compound interest on ₹31250 at 20% per year for 3 years, added every year (in ₹).
34. 34.The price of a school bag changes from ₹2560 to ₹2688. By what percent did it go up?
35. 35.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
36. 36.A price goes up by 15% and then goes up by 50% more. By what percent has it gone up in all? =
37. 37.Aditya’s father is four times as old as Aditya. The sum of their ages is 35 years. How old is the father?
38. 38.Ananya is 3 years older than Dev. In 5 years, the sum of their ages will be 39. How old is Dev now?
39. 39.A water tank holds 4680 litres. 30% of the water is used. How many litres are left?
40. 40.A price goes up by 40% and then goes up by 5% more. By what percent has it gone up in all? =

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