Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 34 · 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 study lamp for ₹380, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
2. 2.A watch marked at ₹3620 is sold for ₹3077. What is the discount percent?
3. 3.A car runs for 2 hours at 33 km/h and then for 3 hours at 43 km/h. What is its average speed for the whole journey (in km/h)?
4. 4.What sum of money earns ₹5580 simple interest in 2 years at 15% per year (in ₹)?
5. 5.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
6. 6.A shopkeeper buys a school bag for ₹1560 and sells it for ₹1404. Find the loss percent.
7. 7.Ishaan’s batting average after 9 innings is 25 runs. How many runs must Ishaan score in the next innings to raise the average to 26?
8. 8.Change 72 km/h into metres per second.
9. 9.After a 50% discount, a table fan costs ₹950. What was its marked price (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹35000 at 8% per year for 2 years (in ₹)?
11. 11.A pair of shoes is marked at ₹3840. The shop gives a 15% discount. How much do you pay (in ₹)?
12. 12.The average weight of 7 children is 27 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
13. 13.Find the amount when ₹27616 is invested at 25% per year compound interest for 2 years (in ₹).
14. 14.Diya puts ₹11700 in a bank at 8% simple interest per year. How much will she have after 3 years (in ₹)?
15. 15.A price comes down by 50% and then comes down by 20% more. By what percent has it come down in all? =
16. 16.A price goes up by 5% and then goes up by 10% more. By what percent has it gone up in all? =
17. 17.Kabir is 3 years older than Pooja. In 6 years, the sum of their ages will be 67. How old is Pooja now?
18. 18.Find the simple interest on ₹3500 at 5% per year for 3 years (in ₹).
19. 19.Manav’s father is twice as old as Manav. The sum of their ages is 18 years. How old is Manav?
20. 20.Find the amount when ₹13200 is invested at 15% per year compound interest for 2 years (in ₹).
21. 21.A car runs for 3 hours at 64 km/h and then for 3 hours at 36 km/h. What is its average speed for the whole journey (in km/h)?
22. 22.By selling a watch for ₹180, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
23. 23.A study lamp is marked at ₹725. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
24. 24.Diya puts ₹11200 in a bank at 12% simple interest per year. How much will she have after 5 years (in ₹)?
25. 25.By selling a school bag for ₹228, a shopkeeper makes a loss of 5%. What did the school bag cost the shopkeeper (in ₹)?
26. 26.Find the amount when ₹21250 is invested at 12% per year compound interest for 2 years (in ₹).
27. 27.Zoya and Rahul together finish a job in 3 days. Zoya alone takes 4 days. How many days would Rahul take alone?
28. 28.Dev’s father is twice as old as Dev. The sum of their ages is 42 years. How old is Dev?
29. 29.By selling a bicycle for ₹68, a shopkeeper makes a loss of 15%. What did the bicycle cost the shopkeeper (in ₹)?
30. 30.A bicycle bought for ₹640 is sold at a loss of 20%. What is the selling price (in ₹)?
31. 31.In 12 years, Arjun will be twice as old as Arjun was 4 years ago. How old is Arjun now?
32. 32.By selling a table fan for ₹1525, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
33. 33.A shopkeeper buys a watch for ₹1660 and sells it for ₹1162. Find the loss percent.
34. 34.In how many years will ₹7500 earn ₹450 as simple interest at 2% per year?
35. 35.Find the compound interest on ₹5600 at 5% per year for 2 years, added every year (in ₹).
36. 36.A shopkeeper buys a watch for ₹1120 and sells it for ₹672. Find the loss percent.
37. 37.2 years ago, Meera’s mother was twice as old as Meera. The mother is 20 years old now. How old is Meera now?
38. 38.A watch is marked at ₹875. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
39. 39.Find the compound interest on ₹13424 at 25% per year for 2 years, added every year (in ₹).
40. 40.Diya puts ₹8700 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?

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