Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 484 · 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. 1.8 years ago, Zoya’s mother was twice as old as Zoya. The mother is 20 years old now. How old is Zoya now?
2. 2.In 7 years, Ishaan will be twice as old as Ishaan was 3 years ago. How old is Ishaan now?
3. 3.In 2 years, Vivaan will be twice as old as Vivaan was 4 years ago. How old is Vivaan now?
4. 4.In how many years will ₹6300 earn ₹1512 as simple interest at 8% per year?
5. 5.Ishaan can finish a job in 17 days and Farhan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
6. 6.Find the amount when ₹8800 is invested at 15% per year compound interest for 2 years (in ₹).
7. 7.The simple interest on ₹12900 for 2 years is ₹2838. What is the rate of interest (% per year)?
8. 8.By selling a study lamp for ₹504, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
9. 9.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
10. 10.By selling a cricket bat for ₹2430, a shopkeeper makes a profit of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
11. 11.Aditya and Zoya together finish a job in 6 days. Aditya alone takes 8 days. How many days would Zoya take alone?
12. 12.In 24 years, Isha will be three times as old as Isha was 4 years ago. How old is Isha now?
13. 13.Farhan can finish a job in 14 days and Vivaan in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.10 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 40 years old now. How old is Ishaan now?
15. 15.A town has 360 people. Its population grows by 10%. How many people live there now?
16. 16.Rohan works three times as fast as Ishaan. Together they finish a job in 8 days. How many days would Ishaan take alone?
17. 17.What is the difference between the compound interest and the simple interest on ₹39200 at 15% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹43750 at 12% per year for 2 years, added every year (in ₹).
19. 19.A pressure cooker marked at ₹840 is sold for ₹588. What is the discount percent?
20. 20.By selling a pair of shoes for ₹420, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹48900 at 20% per year for 2 years (in ₹)?
22. 22.Find the simple interest on ₹16100 at 14% per year for 4 years (in ₹).
23. 23.The simple interest on ₹12200 for 3 years is ₹2928. What is the rate of interest (% per year)?
24. 24.A cricket bat marked at ₹500 is sold for ₹425. What is the discount percent?
25. 25.Find the compound interest on ₹16800 at 5% per year for 2 years, added every year (in ₹).
26. 26.A price comes down by 40% and then comes down by 15% more. By what percent has it come down in all? =
27. 27.A price goes up by 15% and then goes up by 50% more. By what percent has it gone up in all? =
28. 28.The price of a bicycle is ₹140. It goes up by 25%. What is the new price (in ₹)?
29. 29.In 21 years, Kabir will be three times as old as Kabir was 3 years ago. How old is Kabir now?
30. 30.The price of a school bag changes from ₹80 to ₹40. By what percent did it come down?
31. 31.What sum of money earns ₹3960 simple interest in 2 years at 15% per year (in ₹)?
32. 32.A cricket bat is marked at ₹380. The shop gives a 30% discount. How much do you pay (in ₹)?
33. 33.Ananya can finish a job in 20 days and Kabir in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.Marks of 4 friends in a quiz: 27, 23, 49, 45. What is their average mark?
35. 35.A bus runs at 60 km/h. How far does it go in 30 minutes (in km)?
36. 36.What is the difference between the compound interest and the simple interest on ₹47200 at 15% per year for 2 years (in ₹)?
37. 37.Find the amount when ₹19024 is invested at 25% per year compound interest for 2 years (in ₹).
38. 38.By selling a watch for ₹2037, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
39. 39.A pair of shoes marked at ₹2000 is sold for ₹1900. What is the discount percent?
40. 40.The price of a school bag changes from ₹3980 to ₹4975. By what percent did it go up?

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