Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 802 · 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 compound interest on ₹10625 at 4% per year for 2 years, added every year (in ₹).
2. 2.A study lamp is marked at ₹780. The shop gives a 40% discount. How much do you pay (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
4. 4.Kabir is 5 years older than Arjun. In 5 years, the sum of their ages will be 35. How old is Arjun now?
5. 5.A study lamp bought for ₹660 is sold at a profit of 20%. What is the selling price (in ₹)?
6. 6.The average of 7 numbers is 52. When one more number is added, the average becomes 54. What number was added?
7. 7.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
8. 8.The price of a school bag changes from ₹3960 to ₹4752. By what percent did it go up?
9. 9.A shop sells an average of 26 kg of sugar a day for 3 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
10. 10.Change 5 m/s into km/h.
11. 11.10 years ago, Rohan’s mother was four times as old as Rohan. The mother is 26 years old now. How old is Rohan now?
12. 12.The average of 9 numbers is 20. When one more number is added, the average becomes 23. What number was added?
13. 13.A school bag is marked at ₹4060. The shop gives a 30% discount. How much do you pay (in ₹)?
14. 14.How many minutes does a car take to go 117 km at 60 km/h?
15. 15.A price goes up by 40% and then comes down by 10%. By what percent has it gone up in all? =
16. 16.Diya puts ₹5800 in a bank at 10% simple interest per year. How much will she have after 3 years (in ₹)?
17. 17.The price of a school bag changes from ₹4280 to ₹2996. By what percent did it come down?
18. 18.What is the difference between the compound interest and the simple interest on ₹34800 at 5% per year for 2 years (in ₹)?
19. 19.Aarav is 5 years older than Ishaan. In 8 years, the sum of their ages will be 47. How old is Ishaan now?
20. 20.A bicycle bought for ₹1420 is sold at a loss of 40%. What is the selling price (in ₹)?
21. 21.The simple interest on ₹14300 for 1 year is ₹1430. What is the rate of interest (% per year)?
22. 22.Rahul and Kabir together finish a job in 4 days. Rahul alone takes 6 days. How many days would Kabir take alone?
23. 23.Rohan can finish a job in 17 days and Ananya in 13 days. What fraction of the job do they finish if they work together for 3 days? =
24. 24.Saanvi can finish a job in 4 days and Karan in 10 days. What fraction of the job do they finish if they work together for 2 days? =
25. 25.After a 15% discount, a pair of shoes costs ₹680. What was its marked price (in ₹)?
26. 26.A car runs for 3 hours at 62 km/h and then for 1 hour at 22 km/h. What is its average speed for the whole journey (in km/h)?
27. 27.Kabir cycles to his school at 42 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
28. 28.Vivaan can finish a job in 16 days and Diya in 22 days. Vivaan works alone for 8 days and then stops. Diya finishes the rest. How many days does Diya take?
29. 29.A shop sells 2960 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
30. 30.By selling a bicycle for ₹1026, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
31. 31.Find the amount when ₹10000 is invested at 10% per year compound interest for 3 years (in ₹).
32. 32.In how many years will ₹5500 earn ₹2640 as simple interest at 12% per year?
33. 33.A bicycle is marked at ₹1024. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
34. 34.Diya puts ₹4800 in a bank at 6% simple interest per year. How much will she have after 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹40000 at 5% per year for 2 years (in ₹)?
36. 36.How many minutes does a car take to go 93 km at 31 km/h?
37. 37.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
38. 38.Find the simple interest on ₹900 at 4% per year for 2 years (in ₹).
39. 39.The price of a school bag changes from ₹360 to ₹468. By what percent did it go up?
40. 40.In 14 years, Manav will be twice as old as Manav was 5 years ago. How old is Manav now?

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