Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 592 · 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 sum of money earns ₹1449 simple interest in 3 years at 7% per year (in ₹)?
2. 2.Diya puts ₹8500 in a bank at 7% simple interest per year. How much will she have after 4 years (in ₹)?
3. 3.By selling a school bag for ₹78, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
4. 4.Find the amount when ₹24375 is invested at 4% per year compound interest for 2 years (in ₹).
5. 5.Rohan’s father is five times as old as Rohan. The sum of their ages is 30 years. How old is the father?
6. 6.What sum of money earns ₹1152 simple interest in 2 years at 12% per year (in ₹)?
7. 7.6 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 15 years old now. How old is Ishaan now?
8. 8.What is the difference between the compound interest and the simple interest on ₹45600 at 15% per year for 2 years (in ₹)?
9. 9.The price of a school bag changes from ₹4900 to ₹3675. By what percent did it come down?
10. 10.How many minutes does a car take to go 31 km at 30 km/h?
11. 11.Find the simple interest on ₹2500 at 14% per year for 4 years (in ₹).
12. 12.Change 18 km/h into metres per second.
13. 13.A bus runs at 66 km/h. How far does it go in 20 minutes (in km)?
14. 14.What is the difference between the compound interest and the simple interest on ₹4000 at 25% per year for 2 years (in ₹)?
15. 15.A price goes up by 30% and then comes down by 10%. By what percent has it gone up in all? =
16. 16.A car runs for 2 hours at 23 km/h and then for 1 hour at 20 km/h. What is its average speed for the whole journey (in km/h)?
17. 17.Change 72 km/h into metres per second.
18. 18.Rahul’s father is four times as old as Rahul. The sum of their ages is 65 years. How old is the father?
19. 19.The simple interest on ₹2200 for 2 years is ₹484. What is the rate of interest (% per year)?
20. 20.A shopkeeper buys a school bag for ₹100 and sells it for ₹120. Find the profit percent.
21. 21.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
22. 22.Marks of 6 friends in a quiz: 72, 99, 74, 85, 90, 84. What is their average mark?
23. 23.The price of a bicycle is ₹4620. It goes up by 10%. What is the new price (in ₹)?
24. 24.Vivaan can finish a job in 8 days and Rohan in 18 days. What fraction of the job do they finish if they work together for 3 days? =
25. 25.Kabir cycles to his school at 30 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
26. 26.By selling a study lamp for ₹625, a shopkeeper makes a profit of 25%. What did the study lamp cost the shopkeeper (in ₹)?
27. 27.A cricket bat is marked at ₹2640. The shop gives a 20% discount. How much do you pay (in ₹)?
28. 28.By selling a bicycle for ₹2058, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
29. 29.By selling a study lamp for ₹1530, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
30. 30.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
31. 31.A price goes up by 25% and then goes up by 15% more. By what percent has it gone up in all? =
32. 32.By selling a school bag for ₹2300, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹50000 at 25% per year for 2 years (in ₹)?
34. 34.Diya puts ₹1700 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
35. 35.A shopkeeper buys a study lamp for ₹880 and sells it for ₹1012. Find the profit percent.
36. 36.Isha’s batting average after 14 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 22?
37. 37.What sum of money earns ₹1365 simple interest in 3 years at 5% per year (in ₹)?
38. 38.Change 15 m/s into km/h.
39. 39.Change 25 m/s into km/h.
40. 40.The price of a bicycle is ₹1300. It goes up by 25%. What is the new price (in ₹)?

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