Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 537 · 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 bicycle is ₹1380. It goes up by 30%. What is the new price (in ₹)?
2. 2.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
3. 3.Marks of 4 friends in a quiz: 47, 30, 19, 40. What is their average mark?
4. 4.Aarav’s father is twice as old as Aarav. The sum of their ages is 42 years. How old is Aarav?
5. 5.A water tank holds 140 litres. 30% of the water is used. How many litres are left?
6. 6.Find the simple interest on ₹14900 at 13% per year for 1 year (in ₹).
7. 7.The price of a school bag changes from ₹860 to ₹1204. By what percent did it go up?
8. 8.A water tank holds 1880 litres. 10% of the water is used. How many litres are left?
9. 9.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
10. 10.Kabir cycles to his school at 15 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)?
11. 11.10 years ago, Priya’s mother was twice as old as Priya. The mother is 24 years old now. How old is Priya now?
12. 12.A car runs for 3 hours at 80 km/h and then for 4 hours at 38 km/h. What is its average speed for the whole journey (in km/h)?
13. 13.A pair of shoes marked at ₹1380 is sold for ₹690. What is the discount percent?
14. 14.Kabir can finish a job in 12 days and Tara in 18 days. What fraction of the job do they finish if they work together for 3 days? =
15. 15.In 6 years, Nisha will be twice as old as Nisha was 2 years ago. How old is Nisha now?
16. 16.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
17. 17.A pressure cooker is marked at ₹4560. The shop gives a 15% discount. How much do you pay (in ₹)?
18. 18.A price goes up by 40% and then comes down by 20%. By what percent has it gone up in all? =
19. 19.By selling a bicycle for ₹826, a shopkeeper makes a loss of 30%. What did the bicycle cost the shopkeeper (in ₹)?
20. 20.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
21. 21.Arjun is 3 years older than Diya. In 9 years, the sum of their ages will be 59. How old is Diya now?
22. 22.A cricket bat bought for ₹1260 is sold at a loss of 40%. What is the selling price (in ₹)?
23. 23.A school bag bought for ₹1020 is sold at a profit of 25%. What is the selling price (in ₹)?
24. 24.In 20 years, Farhan will be twice as old as Farhan was 4 years ago. How old is Farhan now?
25. 25.The price of a school bag changes from ₹840 to ₹1176. By what percent did it go up?
26. 26.A shopkeeper buys a study lamp for ₹540 and sells it for ₹432. Find the loss percent.
27. 27.Find the amount when ₹19136 is invested at 25% per year compound interest for 3 years (in ₹).
28. 28.A study lamp bought for ₹580 is sold at a loss of 5%. What is the selling price (in ₹)?
29. 29.A town has 3020 people. Its population grows by 20%. How many people live there now?
30. 30.Find the compound interest on ₹45625 at 12% per year for 2 years, added every year (in ₹).
31. 31.Diya puts ₹15600 in a bank at 5% simple interest per year. How much will she have after 2 years (in ₹)?
32. 32.A car runs for 4 hours at 55 km/h and then for 4 hours at 65 km/h. What is its average speed for the whole journey (in km/h)?
33. 33.By selling a pressure cooker for ₹140, a shopkeeper makes a loss of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
34. 34.By selling a pressure cooker for ₹1536, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
35. 35.Change 30 m/s into km/h.
36. 36.A price goes up by 30% and then goes up by 25% more. By what percent has it gone up in all? =
37. 37.A shopkeeper buys a bicycle for ₹180 and sells it for ₹126. Find the loss percent.
38. 38.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
39. 39.A bus runs at 63 km/h. How far does it go in 20 minutes (in km)?
40. 40.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?

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