Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 586 · 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 simple interest on ₹9700 at 5% per year for 1 year (in ₹).
2. 2.Find the simple interest on ₹5400 at 3% per year for 5 years (in ₹).
3. 3.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
4. 4.A town has 4560 people. Its population grows by 5%. How many people live there now?
5. 5.Aditya’s father is five times as old as Aditya. The sum of their ages is 30 years. How old is the father?
6. 6.The price of a school bag changes from ₹2160 to ₹2592. By what percent did it go up?
7. 7.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
8. 8.The price of a school bag changes from ₹3120 to ₹2340. By what percent did it come down?
9. 9.Change 5 m/s into km/h.
10. 10.Saanvi works three times as fast as Dev. Together they finish a job in 11 days. How many days would Dev take alone?
11. 11.The average of 6 numbers is 28. When one more number is added, the average becomes 29. What number was added?
12. 12.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
13. 13.Find the simple interest on ₹900 at 11% per year for 3 years (in ₹).
14. 14.The simple interest on ₹11600 for 5 years is ₹6380. What is the rate of interest (% per year)?
15. 15.Kabir cycles to his school at 66 km/h and comes back by the same road at 55 km/h. What is his average speed for the whole trip (in km/h)?
16. 16.In how many years will ₹7000 earn ₹2450 as simple interest at 7% per year?
17. 17.A water tank holds 4260 litres. 40% of the water is used. How many litres are left?
18. 18.A shopkeeper buys a table fan for ₹1960 and sells it for ₹1176. Find the loss percent.
19. 19.Find the simple interest on ₹6300 at 2% per year for 2 years (in ₹).
20. 20.A pressure cooker is marked at ₹430. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
21. 21.Find the compound interest on ₹38400 at 15% per year for 2 years, added every year (in ₹).
22. 22.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
23. 23.A pressure cooker is marked at ₹470. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
24. 24.A table fan is marked at ₹1560. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
25. 25.A cricket bat is marked at ₹360. The shop gives a 15% discount. How much do you pay (in ₹)?
26. 26.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
27. 27.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
28. 28.Saanvi and Kavya together finish a job in 2 days. Saanvi alone takes 3 days. How many days would Kavya take alone?
29. 29.The average of 4 numbers is 34. When one more number is added, the average becomes 36. What number was added?
30. 30.Find the compound interest on ₹40000 at 5% per year for 3 years, added every year (in ₹).
31. 31.A bus runs at 45 km/h. How far does it go in 40 minutes (in km)?
32. 32.Diya puts ₹19600 in a bank at 14% simple interest per year. How much will she have after 5 years (in ₹)?
33. 33.The price of a bicycle is ₹3320. It goes up by 40%. What is the new price (in ₹)?
34. 34.A shop sells an average of 54 kg of sugar a day for 3 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
35. 35.Change 108 km/h into metres per second.
36. 36.The price of a school bag changes from ₹1560 to ₹1248. By what percent did it come down?
37. 37.A town has 960 people. Its population grows by 15%. How many people live there now?
38. 38.Isha works twice as fast as Karan. Together they finish a job in 10 days. How many days would Karan take alone?
39. 39.After a 50% discount, a table fan costs ₹120. What was its marked price (in ₹)?
40. 40.Kavya works twice as fast as Farhan. Together they finish a job in 9 days. How many days would Farhan take alone?

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