Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 456 · 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.A shopkeeper buys a bicycle for ₹1000 and sells it for ₹850. Find the loss percent.
2. 2.Manav can finish a job in 8 days and Meera in 16 days. Manav works alone for 1 day and then stops. Meera finishes the rest. How many days does Meera take?
3. 3.Find the amount when ₹31875 is invested at 8% per year compound interest for 2 years (in ₹).
4. 4.Change 18 km/h into metres per second.
5. 5.A bus runs at 24 km/h. How far does it go in 20 minutes (in km)?
6. 6.Find the amount when ₹46672 is invested at 25% per year compound interest for 2 years (in ₹).
7. 7.In 17 years, Karan will be twice as old as Karan was 2 years ago. How old is Karan now?
8. 8.A water tank holds 3880 litres. 40% of the water is used. How many litres are left?
9. 9.A car runs for 3 hours at 50 km/h and then for 2 hours at 75 km/h. What is its average speed for the whole journey (in km/h)?
10. 10.Change 36 km/h into metres per second.
11. 11.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
12. 12.6 years ago, Meera’s mother was twice as old as Meera. The mother is 12 years old now. How old is Meera now?
13. 13.What is the difference between the compound interest and the simple interest on ₹1200 at 15% per year for 2 years (in ₹)?
14. 14.Find the simple interest on ₹7800 at 11% per year for 1 year (in ₹).
15. 15.A pair of shoes is marked at ₹580. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
16. 16.A price goes up by 50% and then comes down by 25%. By what percent has it gone up in all? =
17. 17.A shop sells an average of 46 kg of sugar a day for 3 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
18. 18.What is the difference between the compound interest and the simple interest on ₹49200 at 5% per year for 2 years (in ₹)?
19. 19.Marks of 6 friends in a quiz: 45, 45, 29, 39, 27, 67. What is their average mark?
20. 20.Marks of 4 friends in a quiz: 29, 20, 41, 14. What is their average mark?
21. 21.Diya and Karan together finish a job in 8 days. Diya alone takes 9 days. How many days would Karan take alone?
22. 22.Vivaan can finish a job in 19 days and Aarav in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.8 years ago, Isha’s mother was twice as old as Isha. The mother is 32 years old now. How old is Isha now?
24. 24.Karan can finish a job in 14 days and Ishaan in 5 days. What fraction of the job do they finish if they work together for 1 day? =
25. 25.Ananya’s father is twice as old as Ananya. The sum of their ages is 36 years. How old is the father?
26. 26.After a 25% discount, a table fan costs ₹3555. What was its marked price (in ₹)?
27. 27.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
28. 28.Priya can finish a job in 6 days and Tara in 14 days. Priya works alone for 3 days and then stops. Tara finishes the rest. How many days does Tara take?
29. 29.A bicycle marked at ₹1420 is sold for ₹1349. What is the discount percent?
30. 30.What is the difference between the compound interest and the simple interest on ₹46100 at 20% per year for 2 years (in ₹)?
31. 31.Marks of 6 friends in a quiz: 10, 14, 35, 37, 17, 37. What is their average mark?
32. 32.A table fan is marked at ₹608. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
33. 33.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
34. 34.Diya puts ₹17100 in a bank at 14% simple interest per year. How much will she have after 5 years (in ₹)?
35. 35.Find the simple interest on ₹10100 at 4% per year for 5 years (in ₹).
36. 36.Find the compound interest on ₹10250 at 20% per year for 2 years, added every year (in ₹).
37. 37.A price comes down by 40% and then comes down by 40% more. By what percent has it come down in all? =
38. 38.In how many years will ₹3900 earn ₹507 as simple interest at 13% per year?
39. 39.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
40. 40.Kabir cycles to his school at 42 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?

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