Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 798 · 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.Zoya can finish a job in 14 days and Tara in 16 days. What fraction of the job do they finish if they work together for 3 days? =
2. 2.What sum of money earns ₹2136 simple interest in 4 years at 6% per year (in ₹)?
3. 3.By selling a table fan for ₹1886, a shopkeeper makes a profit of 15%. What did the table fan cost the shopkeeper (in ₹)?
4. 4.Ananya works three times as fast as Karan. Together they finish a job in 3 days. How many days would Karan take alone?
5. 5.Find the amount when ₹34000 is invested at 10% per year compound interest for 3 years (in ₹).
6. 6.Aditya is 8 years older than Diya. In 3 years, the sum of their ages will be 42. How old is Diya now?
7. 7.A bus runs at 66 km/h. How far does it go in 40 minutes (in km)?
8. 8.Change 15 m/s into km/h.
9. 9.Kavya can finish a job in 9 days and Diya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
10. 10.The simple interest on ₹900 for 2 years is ₹54. What is the rate of interest (% per year)?
11. 11.By selling a cricket bat for ₹54, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
12. 12.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
13. 13.Change 40 m/s into km/h.
14. 14.Find the amount when ₹47000 is invested at 10% per year compound interest for 2 years (in ₹).
15. 15.Marks of 5 friends in a quiz: 15, 14, 30, 36, 40. What is their average mark?
16. 16.Diya puts ₹11500 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?
17. 17.Priya’s father is four times as old as Priya. The sum of their ages is 55 years. How old is Priya?
18. 18.A car runs for 1 hour at 50 km/h and then for 1 hour at 80 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.Tara and Farhan together finish a job in 5 days. Tara alone takes 6 days. How many days would Farhan take alone?
20. 20.Marks of 5 friends in a quiz: 50, 63, 41, 46, 45. What is their average mark?
21. 21.Zoya’s batting average after 8 innings is 22 runs. How many runs must Zoya score in the next innings to raise the average to 25?
22. 22.A shop sells an average of 71 kg of sugar a day for 4 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
23. 23.In 22 years, Aditya will be three times as old as Aditya was 4 years ago. How old is Aditya now?
24. 24.A shopkeeper buys a watch for ₹380 and sells it for ₹361. Find the loss percent.
25. 25.Change 90 km/h into metres per second.
26. 26.A bus runs at 44 km/h. How far does it go in 30 minutes (in km)?
27. 27.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
28. 28.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
29. 29.A shopkeeper buys a table fan for ₹120 and sells it for ₹102. Find the loss percent.
30. 30.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
31. 31.Aarav’s father is five times as old as Aarav. The sum of their ages is 48 years. How old is the father?
32. 32.By selling a table fan for ₹2070, a shopkeeper makes a profit of 50%. What did the table fan cost the shopkeeper (in ₹)?
33. 33.Rohan can finish a job in 5 days and Aarav in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.A water tank holds 2520 litres. 10% of the water is used. How many litres are left?
35. 35.A price goes up by 40% and then comes down by 25%. By what percent has it gone up in all? =
36. 36.A town has 4160 people. Its population grows by 10%. How many people live there now?
37. 37.A car runs for 2 hours at 44 km/h and then for 2 hours at 32 km/h. What is its average speed for the whole journey (in km/h)?
38. 38.What is the difference between the compound interest and the simple interest on ₹13600 at 25% per year for 2 years (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
40. 40.Diya puts ₹15600 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?

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