Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 39 · 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 price goes up by 50% and then goes up by 40% more. By what percent has it gone up in all? =
2. 2.A price goes up by 50% and then goes up by 15% more. By what percent has it gone up in all? =
3. 3.Arjun and Pooja together finish a job in 9 days. Arjun alone takes 10 days. How many days would Pooja take alone?
4. 4.Sneha can finish a job in 14 days and Zoya in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
5. 5.Farhan and Aarav together finish a job in 4 days. Farhan alone takes 8 days. How many days would Aarav take alone?
6. 6.In 23 years, Rohan will be twice as old as Rohan was 2 years ago. How old is Rohan now?
7. 7.A town has 400 people. Its population grows by 30%. How many people live there now?
8. 8.A car runs for 1 hour at 44 km/h and then for 4 hours at 34 km/h. What is its average speed for the whole journey (in km/h)?
9. 9.Find the simple interest on ₹9100 at 2% per year for 4 years (in ₹).
10. 10.The price of a school bag changes from ₹4980 to ₹5976. By what percent did it go up?
11. 11.The average of 9 numbers is 21. When one more number is added, the average becomes 25. What number was added?
12. 12.By selling a bicycle for ₹1634, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
13. 13.Manav can finish a job in 11 days and Pooja in 14 days. What fraction of the job do they finish if they work together for 1 day? =
14. 14.After a 10% discount, a pressure cooker costs ₹4230. What was its marked price (in ₹)?
15. 15.Arjun can finish a job in 9 days and Saanvi in 27 days. Arjun works alone for 3 days and then stops. Saanvi finishes the rest. How many days does Saanvi take?
16. 16.Aarav’s father is four times as old as Aarav. The sum of their ages is 55 years. How old is the father?
17. 17.A watch bought for ₹1600 is sold at a loss of 30%. What is the selling price (in ₹)?
18. 18.The price of a bicycle is ₹780. It goes up by 10%. What is the new price (in ₹)?
19. 19.Ananya’s father is five times as old as Ananya. The sum of their ages is 78 years. How old is Ananya?
20. 20.Find the compound interest on ₹8000 at 5% per year for 3 years, added every year (in ₹).
21. 21.Diya puts ₹16200 in a bank at 15% simple interest per year. How much will she have after 2 years (in ₹)?
22. 22.A bus runs at 20 km/h. How far does it go in 15 minutes (in km)?
23. 23.Find the simple interest on ₹1900 at 12% per year for 1 year (in ₹).
24. 24.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
25. 25.Change 30 m/s into km/h.
26. 26.Find the amount when ₹2500 is invested at 4% per year compound interest for 2 years (in ₹).
27. 27.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
28. 28.A study lamp is marked at ₹520. The shop gives a 10% discount. How much do you pay (in ₹)?
29. 29.Find the simple interest on ₹14000 at 15% per year for 2 years (in ₹).
30. 30.By selling a watch for ₹210, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
31. 31.Find the simple interest on ₹3300 at 2% per year for 5 years (in ₹).
32. 32.Rohan’s batting average after 6 innings is 28 runs. How many runs must Rohan score in the next innings to raise the average to 29?
33. 33.A bicycle marked at ₹1360 is sold for ₹816. What is the discount percent?
34. 34.Kavya’s batting average after 6 innings is 27 runs. How many runs must Kavya score in the next innings to raise the average to 28?
35. 35.A shop sells 4760 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
36. 36.A cricket bat is marked at ₹2140. The shop gives a 5% discount. How much do you pay (in ₹)?
37. 37.A school bag bought for ₹60 is sold at a loss of 50%. What is the selling price (in ₹)?
38. 38.Manav works twice as fast as Meera. Together they finish a job in 5 days. How many days would Meera take alone?
39. 39.Marks of 5 friends in a quiz: 45, 50, 34, 45, 61. What is their average mark?
40. 40.Change 36 km/h into metres per second.

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