Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 21 · 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.Nisha can finish a job in 10 days and Diya in 11 days. What fraction of the job do they finish if they work together for 2 days? =
2. 2.Manav can finish a job in 6 days and Kavya in 15 days. Manav works alone for 2 days and then stops. Kavya finishes the rest. How many days does Kavya take?
3. 3.Find the simple interest on ₹9300 at 15% per year for 5 years (in ₹).
4. 4.The price of a school bag changes from ₹1560 to ₹1716. By what percent did it go up?
5. 5.A shop sells an average of 35 kg of sugar a day for 5 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
6. 6.A water tank holds 2580 litres. 30% of the water is used. How many litres are left?
7. 7.Farhan and Saanvi together finish a job in 3 days. Farhan alone takes 6 days. How many days would Saanvi take alone?
8. 8.Aarav can finish a job in 19 days and Karan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.Sneha can finish a job in 18 days and Dev in 14 days. Sneha works alone for 9 days and then stops. Dev finishes the rest. How many days does Dev take?
10. 10.After a 25% discount, a school bag costs ₹3705. What was its marked price (in ₹)?
11. 11.A school bag marked at ₹2920 is sold for ₹2336. What is the discount percent?
12. 12.What is the difference between the compound interest and the simple interest on ₹36000 at 25% per year for 2 years (in ₹)?
13. 13.The average of 8 numbers is 16. When one more number is added, the average becomes 22. What number was added?
14. 14.What sum of money earns ₹774 simple interest in 2 years at 3% per year (in ₹)?
15. 15.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
16. 16.Marks of 4 friends in a quiz: 33, 38, 42, 55. What is their average mark?
17. 17.Isha is 2 years older than Nisha. In 6 years, the sum of their ages will be 34. How old is Nisha now?
18. 18.A shop sells 4600 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
19. 19.Diya puts ₹13500 in a bank at 11% simple interest per year. How much will she have after 5 years (in ₹)?
20. 20.How many minutes does a car take to go 76 km at 48 km/h?
21. 21.Farhan’s batting average after 7 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 37?
22. 22.Find the amount when ₹15200 is invested at 15% per year compound interest for 2 years (in ₹).
23. 23.Kabir cycles to his school at 72 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
24. 24.A shop sells an average of 28 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
25. 25.Change 5 m/s into km/h.
26. 26.9 years ago, Karan’s mother was four times as old as Karan. The mother is 57 years old now. How old is Karan now?
27. 27.Find the simple interest on ₹15900 at 7% per year for 1 year (in ₹).
28. 28.Saanvi can finish a job in 15 days and Kavya in 30 days. Saanvi works alone for 6 days and then stops. Kavya finishes the rest. How many days does Kavya take?
29. 29.How many minutes does a car take to go 48 km at 32 km/h?
30. 30.Dev’s father is five times as old as Dev. The sum of their ages is 90 years. How old is the father?
31. 31.What is the difference between the compound interest and the simple interest on ₹36800 at 25% per year for 2 years (in ₹)?
32. 32.10 years ago, Aditya’s mother was three times as old as Aditya. The mother is 46 years old now. How old is Aditya now?
33. 33.A price comes down by 15% and then comes down by 5% more. By what percent has it come down in all? =
34. 34.In 30 years, Sneha will be twice as old as Sneha was 2 years ago. How old is Sneha now?
35. 35.Saanvi is 6 years older than Karan. In 4 years, the sum of their ages will be 60. How old is Karan now?
36. 36.Find the amount when ₹10625 is invested at 12% per year compound interest for 2 years (in ₹).
37. 37.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
38. 38.Arjun can finish a job in 6 days and Isha in 12 days. Arjun works alone for 3 days and then stops. Isha finishes the rest. How many days does Isha take?
39. 39.The price of a school bag changes from ₹1580 to ₹2212. By what percent did it go up?
40. 40.Nisha’s batting average after 6 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 43?

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