Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 789 · 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.What is the difference between the compound interest and the simple interest on ₹36800 at 5% per year for 2 years (in ₹)?
2. 2.Change 90 km/h into metres per second.
3. 3.Find the simple interest on ₹2200 at 4% per year for 4 years (in ₹).
4. 4.A shop sells an average of 40 kg of sugar a day for 2 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
5. 5.A town has 3300 people. Its population grows by 40%. How many people live there now?
6. 6.Find the amount when ₹3200 is invested at 5% per year compound interest for 2 years (in ₹).
7. 7.Find the simple interest on ₹7200 at 15% per year for 2 years (in ₹).
8. 8.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
9. 9.A water tank holds 4560 litres. 15% of the water is used. How many litres are left?
10. 10.The price of a school bag changes from ₹3860 to ₹4246. By what percent did it go up?
11. 11.Find the amount when ₹11900 is invested at 10% per year compound interest for 2 years (in ₹).
12. 12.Manav’s batting average after 11 innings is 28 runs. How many runs must Manav score in the next innings to raise the average to 31?
13. 13.Kabir cycles to his school at 90 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
14. 14.A shop sells an average of 36 kg of sugar a day for 3 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
15. 15.A water tank holds 920 litres. 15% of the water is used. How many litres are left?
16. 16.By selling a watch for ₹2016, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
17. 17.Diya works twice as fast as Nisha. Together they finish a job in 9 days. How many days would Nisha take alone?
18. 18.Diya and Karan together finish a job in 9 days. Diya alone takes 10 days. How many days would Karan take alone?
19. 19.A shopkeeper buys a pair of shoes for ₹60 and sells it for ₹45. Find the loss percent.
20. 20.Marks of 6 friends in a quiz: 31, 38, 21, 17, 17, 44. What is their average mark?
21. 21.What is the difference between the compound interest and the simple interest on ₹4000 at 25% per year for 2 years (in ₹)?
22. 22.Tara can finish a job in 6 days and Arjun in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.In how many years will ₹6800 earn ₹884 as simple interest at 13% per year?
24. 24.Ishaan is 4 years older than Karan. In 8 years, the sum of their ages will be 46. How old is Karan now?
25. 25.A town has 520 people. Its population grows by 40%. How many people live there now?
26. 26.By selling a school bag for ₹1104, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
27. 27.Saanvi can finish a job in 5 days and Ananya in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
28. 28.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
29. 29.A table fan is marked at ₹4340. The shop gives a 30% discount. How much do you pay (in ₹)?
30. 30.A table fan is marked at ₹1800. The shop gives a 40% discount. How much do you pay (in ₹)?
31. 31.A watch marked at ₹1180 is sold for ₹708. What is the discount percent?
32. 32.A price comes down by 20% and then comes down by 40% more. By what percent has it come down in all? =
33. 33.After a 15% discount, a pair of shoes costs ₹1445. What was its marked price (in ₹)?
34. 34.What sum of money earns ₹1260 simple interest in 3 years at 4% per year (in ₹)?
35. 35.Diya puts ₹8700 in a bank at 3% simple interest per year. How much will she have after 5 years (in ₹)?
36. 36.What sum of money earns ₹1580 simple interest in 4 years at 5% per year (in ₹)?
37. 37.A shop sells an average of 23 kg of sugar a day for 6 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
38. 38.A pressure cooker is marked at ₹420. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
39. 39.Kabir can finish a job in 6 days and Aditya in 20 days. What fraction of the job do they finish if they work together for 3 days? =
40. 40.The price of a school bag changes from ₹1800 to ₹1890. By what percent did it go up?

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