Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 388 · 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. 1.9 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 45 years old now. How old is Ishaan now?
2. 2.A cricket bat is marked at ₹1375. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
4. 4.A shopkeeper buys a watch for ₹1620 and sells it for ₹2106. Find the profit percent.
5. 5.A watch marked at ₹2020 is sold for ₹1515. What is the discount percent?
6. 6.A watch is marked at ₹1660. The shop gives a 20% discount. How much do you pay (in ₹)?
7. 7.Find the amount when ₹21200 is invested at 10% per year compound interest for 2 years (in ₹).
8. 8.Arjun can finish a job in 18 days and Saanvi in 6 days. What fraction of the job do they finish if they work together for 3 days? =
9. 9.2 years ago, Aarav’s mother was four times as old as Aarav. The mother is 38 years old now. How old is Aarav now?
10. 10.Change 90 km/h into metres per second.
11. 11.Zoya can finish a job in 3 days and Ananya in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
12. 12.A bus runs at 22 km/h. How far does it go in 90 minutes (in km)?
13. 13.By selling a pressure cooker for ₹1278, a shopkeeper makes a loss of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
14. 14.2 years ago, Meera’s mother was twice as old as Meera. The mother is 20 years old now. How old is Meera now?
15. 15.A water tank holds 3420 litres. 10% of the water is used. How many litres are left?
16. 16.Saanvi can finish a job in 10 days and Karan in 6 days. What fraction of the job do they finish if they work together for 2 days? =
17. 17.A water tank holds 3160 litres. 20% of the water is used. How many litres are left?
18. 18.A shopkeeper buys a cricket bat for ₹1520 and sells it for ₹1444. Find the loss percent.
19. 19.In 27 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
20. 20.What sum of money earns ₹1920 simple interest in 2 years at 8% per year (in ₹)?
21. 21.A price comes down by 20% and then comes down by 20% more. By what percent has it come down in all? =
22. 22.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
23. 23.Pooja can finish a job in 14 days and Rahul in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
25. 25.A pair of shoes is marked at ₹1240. The shop gives a 10% discount. How much do you pay (in ₹)?
26. 26.A shopkeeper buys a cricket bat for ₹2000 and sells it for ₹1600. Find the loss percent.
27. 27.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
28. 28.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
29. 29.Kabir cycles to his school at 70 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.What sum of money earns ₹2360 simple interest in 5 years at 4% per year (in ₹)?
31. 31.In how many years will ₹8300 earn ₹2988 as simple interest at 12% per year?
32. 32.The average of 4 numbers is 59. When one more number is added, the average becomes 64. What number was added?
33. 33.Diya puts ₹13300 in a bank at 6% simple interest per year. How much will she have after 5 years (in ₹)?
34. 34.Diya can finish a job in 11 days and Arjun in 13 days. What fraction of the job do they finish if they work together for 1 day? =
35. 35.Find the compound interest on ₹35700 at 10% per year for 2 years, added every year (in ₹).
36. 36.After a 5% discount, a watch costs ₹2413. What was its marked price (in ₹)?
37. 37.A price goes up by 5% and then goes up by 5% more. By what percent has it gone up in all? =
38. 38.The price of a school bag changes from ₹3900 to ₹4485. By what percent did it go up?
39. 39.A pressure cooker bought for ₹900 is sold at a profit of 40%. What is the selling price (in ₹)?
40. 40.A price goes up by 5% and then goes up by 20% more. By what percent has it gone up in all? =

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