Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 745 · 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.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
2. 2.Change 36 km/h into metres per second.
3. 3.Change 54 km/h into metres per second.
4. 4.A table fan marked at ₹3920 is sold for ₹3332. What is the discount percent?
5. 5.Diya puts ₹8400 in a bank at 13% simple interest per year. How much will she have after 3 years (in ₹)?
6. 6.Find the simple interest on ₹16700 at 11% per year for 5 years (in ₹).
7. 7.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
8. 8.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
9. 9.Kabir cycles to his school at 42 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.A cricket bat marked at ₹2400 is sold for ₹1920. What is the discount percent?
11. 11.Change 35 m/s into km/h.
12. 12.A study lamp is marked at ₹544. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
13. 13.The price of a bicycle is ₹680. It goes up by 5%. What is the new price (in ₹)?
14. 14.A price comes down by 10% and then comes down by 30% more. By what percent has it come down in all? =
15. 15.A shop sells an average of 37 kg of sugar a day for 3 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
16. 16.Find the compound interest on ₹39600 at 5% per year for 2 years, added every year (in ₹).
17. 17.Find the amount when ₹2500 is invested at 8% per year compound interest for 2 years (in ₹).
18. 18.Rahul can finish a job in 12 days and Meera in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.The average weight of 6 children is 27 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
20. 20.A shopkeeper buys a pressure cooker for ₹1080 and sells it for ₹972. Find the loss percent.
21. 21.The simple interest on ₹16000 for 3 years is ₹3840. What is the rate of interest (% per year)?
22. 22.Find the compound interest on ₹47200 at 15% per year for 2 years, added every year (in ₹).
23. 23.By selling a watch for ₹2016, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
24. 24.Change 30 m/s into km/h.
25. 25.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
26. 26.A watch is marked at ₹720. The shop gives a 20% discount. How much do you pay (in ₹)?
27. 27.A school bag is marked at ₹1160. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
28. 28.Kavya can finish a job in 11 days and Pooja in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
29. 29.A shopkeeper buys a table fan for ₹1860 and sells it for ₹2418. Find the profit percent.
30. 30.In 10 years, Tara will be twice as old as Tara was 2 years ago. How old is Tara now?
31. 31.Marks of 5 friends in a quiz: 39, 64, 54, 53, 45. What is their average mark?
32. 32.Find the amount when ₹10000 is invested at 4% per year compound interest for 2 years (in ₹).
33. 33.Karan can finish a job in 12 days and Kavya in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.The average of 8 numbers is 57. When one more number is added, the average becomes 60. What number was added?
35. 35.What is the difference between the compound interest and the simple interest on ₹38200 at 20% per year for 2 years (in ₹)?
36. 36.A bus runs at 87 km/h. How far does it go in 40 minutes (in km)?
37. 37.Change 90 km/h into metres per second.
38. 38.The average weight of 10 children is 36 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
39. 39.The simple interest on ₹11400 for 5 years is ₹3420. What is the rate of interest (% per year)?
40. 40.A car runs for 2 hours at 63 km/h and then for 3 hours at 68 km/h. What is its average speed for the whole journey (in km/h)?

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