Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 542 · 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 cricket bat marked at ₹2940 is sold for ₹1470. What is the discount percent?
2. 2.Change 108 km/h into metres per second.
3. 3.By selling a study lamp for ₹1491, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
4. 4.Find the simple interest on ₹6500 at 8% per year for 4 years (in ₹).
5. 5.Find the compound interest on ₹38880 at 25% per year for 2 years, added every year (in ₹).
6. 6.A water tank holds 1240 litres. 50% of the water is used. How many litres are left?
7. 7.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
8. 8.Find the simple interest on ₹8800 at 10% per year for 1 year (in ₹).
9. 9.Change 18 km/h into metres per second.
10. 10.A price comes down by 10% and then comes down by 25% more. By what percent has it come down in all? =
11. 11.What is the difference between the compound interest and the simple interest on ₹41200 at 15% per year for 2 years (in ₹)?
12. 12.Rohan’s batting average after 7 innings is 45 runs. How many runs must Rohan score in the next innings to raise the average to 49?
13. 13.Find the compound interest on ₹13200 at 5% per year for 2 years, added every year (in ₹).
14. 14.Rahul can finish a job in 15 days and Aditya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.A shop sells 1760 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
16. 16.The price of a bicycle is ₹4380. It goes up by 40%. What is the new price (in ₹)?
17. 17.In 19 years, Farhan will be twice as old as Farhan was 4 years ago. How old is Farhan now?
18. 18.A price comes down by 30% and then comes down by 10% more. By what percent has it come down in all? =
19. 19.A shop sells 3740 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
20. 20.Rohan is 7 years older than Tara. In 9 years, the sum of their ages will be 83. How old is Tara now?
21. 21.A pair of shoes is marked at ₹2020. The shop gives a 15% discount. How much do you pay (in ₹)?
22. 22.A bicycle marked at ₹2300 is sold for ₹1725. What is the discount percent?
23. 23.Rahul can finish a job in 20 days and Dev in 14 days. What fraction of the job do they finish if they work together for 3 days? =
24. 24.The simple interest on ₹13400 for 3 years is ₹6030. What is the rate of interest (% per year)?
25. 25.Arjun works three times as fast as Kabir. Together they finish a job in 8 days. How many days would Kabir take alone?
26. 26.Kabir is 5 years older than Pooja. In 9 years, the sum of their ages will be 77. How old is Pooja now?
27. 27.By selling a bicycle for ₹1518, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
28. 28.Find the simple interest on ₹17500 at 13% per year for 5 years (in ₹).
29. 29.Change 5 m/s into km/h.
30. 30.Find the compound interest on ₹14000 at 15% per year for 2 years, added every year (in ₹).
31. 31.The price of a bicycle is ₹280. It goes up by 50%. What is the new price (in ₹)?
32. 32.A table fan is marked at ₹4620. The shop gives a 15% discount. How much do you pay (in ₹)?
33. 33.A shopkeeper buys a table fan for ₹620 and sells it for ₹868. Find the profit percent.
34. 34.A shopkeeper buys a cricket bat for ₹1460 and sells it for ₹1679. Find the profit percent.
35. 35.Kabir’s father is four times as old as Kabir. The sum of their ages is 25 years. How old is Kabir?
36. 36.The price of a school bag changes from ₹3540 to ₹3186. By what percent did it come down?
37. 37.Change 54 km/h into metres per second.
38. 38.By selling a bicycle for ₹250, a shopkeeper makes a profit of 25%. What did the bicycle cost the shopkeeper (in ₹)?
39. 39.A shopkeeper buys a bicycle for ₹2000 and sells it for ₹2800. Find the profit percent.
40. 40.In how many years will ₹1900 earn ₹76 as simple interest at 2% per year?

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