Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 15 · 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 bicycle for ₹864, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
2. 2.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
3. 3.Marks of 4 friends in a quiz: 18, 35, 10, 37. What is their average mark?
4. 4.Zoya can finish a job in 11 days and Diya in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
5. 5.Find the compound interest on ₹48000 at 5% per year for 3 years, added every year (in ₹).
6. 6.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
7. 7.A car runs for 3 hours at 71 km/h and then for 1 hour at 43 km/h. What is its average speed for the whole journey (in km/h)?
8. 8.What sum of money earns ₹5500 simple interest in 4 years at 11% per year (in ₹)?
9. 9.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
10. 10.Dev and Ishaan together finish a job in 6 days. Dev alone takes 7 days. How many days would Ishaan take alone?
11. 11.The price of a school bag changes from ₹4120 to ₹2884. By what percent did it come down?
12. 12.A table fan marked at ₹3720 is sold for ₹3162. What is the discount percent?
13. 13.The price of a bicycle is ₹880. It goes up by 30%. What is the new price (in ₹)?
14. 14.Kabir cycles to his school at 42 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)?
15. 15.The price of a school bag changes from ₹4260 to ₹5538. By what percent did it go up?
16. 16.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
17. 17.A shopkeeper buys a watch for ₹1480 and sells it for ₹1776. Find the profit percent.
18. 18.Diya puts ₹16900 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
19. 19.A shopkeeper buys a pair of shoes for ₹1500 and sells it for ₹1425. Find the loss percent.
20. 20.Saanvi works three times as fast as Arjun. Together they finish a job in 2 days. How many days would Arjun take alone?
21. 21.Rohan’s father is three times as old as Rohan. The sum of their ages is 52 years. How old is the father?
22. 22.By selling a study lamp for ₹306, a shopkeeper makes a loss of 10%. What did the study lamp cost the shopkeeper (in ₹)?
23. 23.The price of a bicycle is ₹4320. It goes up by 5%. What is the new price (in ₹)?
24. 24.Ishaan is 4 years older than Sneha. In 3 years, the sum of their ages will be 32. How old is Sneha now?
25. 25.Aarav is 5 years older than Meera. In 4 years, the sum of their ages will be 27. How old is Meera now?
26. 26.Nisha can finish a job in 6 days and Isha in 18 days. Nisha works alone for 2 days and then stops. Isha finishes the rest. How many days does Isha take?
27. 27.In how many years will ₹5500 earn ₹605 as simple interest at 11% per year?
28. 28.Aarav works three times as fast as Rahul. Together they finish a job in 4 days. How many days would Rahul take alone?
29. 29.Find the amount when ₹46000 is invested at 5% per year compound interest for 2 years (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
31. 31.A shopkeeper buys a bicycle for ₹1480 and sells it for ₹888. Find the loss percent.
32. 32.The average of 4 numbers is 18. When one more number is added, the average becomes 22. What number was added?
33. 33.A shopkeeper buys a school bag for ₹520 and sells it for ₹598. Find the profit percent.
34. 34.By selling a study lamp for ₹730, a shopkeeper makes a loss of 50%. What did the study lamp cost the shopkeeper (in ₹)?
35. 35.A bicycle bought for ₹900 is sold at a loss of 15%. What is the selling price (in ₹)?
36. 36.A school bag is marked at ₹576. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
37. 37.Manav works twice as fast as Priya. Together they finish a job in 2 days. How many days would Priya take alone?
38. 38.A water tank holds 2780 litres. 10% of the water is used. How many litres are left?
39. 39.Isha can finish a job in 18 days and Aditya in 13 days. What fraction of the job do they finish if they work together for 3 days? =
40. 40.A car runs for 1 hour at 57 km/h and then for 3 hours at 61 km/h. What is its average speed for the whole journey (in km/h)?

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