Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 851 · 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.Vivaan and Kabir together finish a job in 3 days. Vivaan alone takes 4 days. How many days would Kabir take alone?
2. 2.Find the amount when ₹48000 is invested at 5% per year compound interest for 3 years (in ₹).
3. 3.A shopkeeper buys a pair of shoes for ₹60 and sells it for ₹63. Find the profit percent.
4. 4.A watch bought for ₹1820 is sold at a loss of 40%. What is the selling price (in ₹)?
5. 5.How many minutes does a car take to go 100 km at 60 km/h?
6. 6.Find the amount when ₹47750 is invested at 20% per year compound interest for 3 years (in ₹).
7. 7.A pressure cooker is marked at ₹3920. The shop gives a 20% discount. How much do you pay (in ₹)?
8. 8.Nisha works three times as fast as Vivaan. Together they finish a job in 3 days. How many days would Vivaan take alone?
9. 9.The simple interest on ₹5900 for 5 years is ₹3540. What is the rate of interest (% per year)?
10. 10.A watch bought for ₹960 is sold at a profit of 30%. What is the selling price (in ₹)?
11. 11.By selling a cricket bat for ₹1960, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
12. 12.7 years ago, Arjun’s mother was four times as old as Arjun. The mother is 51 years old now. How old is Arjun now?
13. 13.Diya puts ₹1600 in a bank at 12% simple interest per year. How much will she have after 5 years (in ₹)?
14. 14.By selling a bicycle for ₹240, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
15. 15.A shopkeeper buys a bicycle for ₹500 and sells it for ₹525. Find the profit percent.
16. 16.Change 90 km/h into metres per second.
17. 17.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
18. 18.What sum of money earns ₹180 simple interest in 1 year at 5% per year (in ₹)?
19. 19.Find the amount when ₹7600 is invested at 5% per year compound interest for 2 years (in ₹).
20. 20.Change 40 m/s into km/h.
21. 21.The price of a school bag changes from ₹3920 to ₹1960. By what percent did it come down?
22. 22.The price of a school bag changes from ₹2920 to ₹1752. By what percent did it come down?
23. 23.A town has 160 people. Its population grows by 15%. How many people live there now?
24. 24.What is the difference between the compound interest and the simple interest on ₹31600 at 15% per year for 2 years (in ₹)?
25. 25.A study lamp is marked at ₹3840. The shop gives a 10% discount. How much do you pay (in ₹)?
26. 26.Karan’s father is five times as old as Karan. The sum of their ages is 48 years. How old is Karan?
27. 27.A watch marked at ₹340 is sold for ₹306. What is the discount percent?
28. 28.The price of a school bag changes from ₹4600 to ₹5980. By what percent did it go up?
29. 29.Vivaan can finish a job in 8 days and Nisha in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.A price goes up by 15% and then comes down by 10%. By what percent has it gone up in all? =
31. 31.A price goes up by 30% and then goes up by 10% more. By what percent has it gone up in all? =
32. 32.After a 10% discount, a pressure cooker costs ₹3672. What was its marked price (in ₹)?
33. 33.By selling a pair of shoes for ₹700, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
34. 34.A shopkeeper buys a pair of shoes for ₹480 and sells it for ₹528. Find the profit percent.
35. 35.A pair of shoes is marked at ₹640. The shop gives a 25% discount. How much do you pay (in ₹)?
36. 36.By selling a watch for ₹1276, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
37. 37.The average of 5 numbers is 44. When one more number is added, the average becomes 46. What number was added?
38. 38.Arjun’s father is twice as old as Arjun. The sum of their ages is 21 years. How old is Arjun?
39. 39.The average weight of 12 children is 35 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
40. 40.The simple interest on ₹17000 for 2 years is ₹4760. What is the rate of interest (% per year)?

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