Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 898 · 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.What is the difference between the compound interest and the simple interest on ₹10500 at 10% per year for 2 years (in ₹)?
2. 2.After a 15% discount, a watch costs ₹1819. What was its marked price (in ₹)?
3. 3.A watch is marked at ₹640. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
4. 4.Kabir can finish a job in 6 days and Tara in 21 days. Kabir works alone for 2 days and then stops. Tara finishes the rest. How many days does Tara take?
5. 5.Manav’s batting average after 13 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 27?
6. 6.By selling a pressure cooker for ₹1820, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
7. 7.A shop sells 1440 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
8. 8.By selling a watch for ₹900, a shopkeeper makes a loss of 40%. What did the watch cost the shopkeeper (in ₹)?
9. 9.Find the amount when ₹26250 is invested at 4% per year compound interest for 2 years (in ₹).
10. 10.A pair of shoes marked at ₹1220 is sold for ₹732. What is the discount percent?
11. 11.What sum of money earns ₹528 simple interest in 2 years at 3% per year (in ₹)?
12. 12.A school bag marked at ₹700 is sold for ₹420. What is the discount percent?
13. 13.A table fan marked at ₹4640 is sold for ₹3712. What is the discount percent?
14. 14.How many minutes does a car take to go 39 km at 78 km/h?
15. 15.After a 20% discount, a bicycle costs ₹3616. What was its marked price (in ₹)?
16. 16.Zoya can finish a job in 17 days and Diya in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.A pair of shoes marked at ₹4400 is sold for ₹3520. What is the discount percent?
18. 18.By selling a study lamp for ₹464, a shopkeeper makes a loss of 20%. What did the study lamp cost the shopkeeper (in ₹)?
19. 19.The simple interest on ₹500 for 5 years is ₹75. What is the rate of interest (% per year)?
20. 20.A price goes up by 30% and then goes up by 40% more. By what percent has it gone up in all? =
21. 21.The simple interest on ₹17500 for 2 years is ₹1400. What is the rate of interest (% per year)?
22. 22.The price of a bicycle is ₹820. It goes up by 15%. What is the new price (in ₹)?
23. 23.The average of 5 numbers is 51. When one more number is added, the average becomes 53. What number was added?
24. 24.Arjun’s batting average after 7 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 28?
25. 25.By selling a watch for ₹1634, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
26. 26.Change 18 km/h into metres per second.
27. 27.Find the simple interest on ₹11300 at 3% per year for 5 years (in ₹).
28. 28.Priya’s batting average after 15 innings is 50 runs. How many runs must Priya score in the next innings to raise the average to 52?
29. 29.Rahul’s batting average after 13 innings is 47 runs. How many runs must Rahul score in the next innings to raise the average to 51?
30. 30.A cricket bat is marked at ₹2840. The shop gives a 40% discount. How much do you pay (in ₹)?
31. 31.Find the amount when ₹48000 is invested at 15% per year compound interest for 3 years (in ₹).
32. 32.A watch bought for ₹720 is sold at a profit of 5%. What is the selling price (in ₹)?
33. 33.A study lamp marked at ₹320 is sold for ₹304. What is the discount percent?
34. 34.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
35. 35.By selling a school bag for ₹624, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
36. 36.Change 72 km/h into metres per second.
37. 37.A shop sells 240 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
38. 38.The price of a school bag changes from ₹3580 to ₹3043. By what percent did it come down?
39. 39.Diya puts ₹15600 in a bank at 6% simple interest per year. How much will she have after 1 year (in ₹)?
40. 40.The price of a school bag changes from ₹3920 to ₹4116. By what percent did it go up?

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