Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 471 · 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 ₹7000 at 14% per year for 5 years (in ₹).
2. 2.Find the simple interest on ₹3900 at 8% per year for 3 years (in ₹).
3. 3.A price comes down by 50% and then comes down by 5% more. By what percent has it come down in all? =
4. 4.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
5. 5.A car runs for 4 hours at 59 km/h and then for 2 hours at 62 km/h. What is its average speed for the whole journey (in km/h)?
6. 6.Diya can finish a job in 10 days and Manav in 9 days. What fraction of the job do they finish if they work together for 2 days? =
7. 7.By selling a table fan for ₹1335, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
8. 8.Find the compound interest on ₹31625 at 20% per year for 3 years, added every year (in ₹).
9. 9.A town has 2440 people. Its population grows by 5%. How many people live there now?
10. 10.Meera’s father is four times as old as Meera. The sum of their ages is 50 years. How old is Meera?
11. 11.A table fan is marked at ₹875. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
12. 12.Find the compound interest on ₹40500 at 20% per year for 3 years, added every year (in ₹).
13. 13.After a 15% discount, a pressure cooker costs ₹629. What was its marked price (in ₹)?
14. 14.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
15. 15.A price comes down by 15% and then comes down by 30% more. By what percent has it come down in all? =
16. 16.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
17. 17.A bicycle is marked at ₹1220. The shop gives a 5% discount. How much do you pay (in ₹)?
18. 18.Kavya can finish a job in 24 days and Dev in 6 days. Kavya works alone for 4 days and then stops. Dev finishes the rest. How many days does Dev take?
19. 19.A pressure cooker marked at ₹4200 is sold for ₹3990. What is the discount percent?
20. 20.A price goes up by 5% and then goes up by 30% more. By what percent has it gone up in all? =
21. 21.Find the amount when ₹39700 is invested at 10% per year compound interest for 2 years (in ₹).
22. 22.A shop sells 2480 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
23. 23.Kavya can finish a job in 9 days and Ananya in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.A bus runs at 33 km/h. How far does it go in 40 minutes (in km)?
25. 25.Nisha’s batting average after 9 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 51?
26. 26.Zoya can finish a job in 12 days and Sneha in 18 days. Zoya works alone for 2 days and then stops. Sneha finishes the rest. How many days does Sneha take?
27. 27.A shopkeeper buys a pair of shoes for ₹1600 and sells it for ₹1360. Find the loss percent.
28. 28.Saanvi can finish a job in 4 days and Aarav in 18 days. What fraction of the job do they finish if they work together for 1 day? =
29. 29.A watch is marked at ₹725. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
30. 30.In 24 years, Farhan will be twice as old as Farhan was 3 years ago. How old is Farhan now?
31. 31.What is the difference between the compound interest and the simple interest on ₹9600 at 15% per year for 2 years (in ₹)?
32. 32.A shop sells an average of 21 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
33. 33.By selling a watch for ₹1003, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
34. 34.Rohan works three times as fast as Ananya. Together they finish a job in 3 days. How many days would Ananya take alone?
35. 35.A shopkeeper buys a pressure cooker for ₹440 and sells it for ₹550. Find the profit percent.
36. 36.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
37. 37.Vivaan’s batting average after 10 innings is 37 runs. How many runs must Vivaan score in the next innings to raise the average to 42?
38. 38.The average of 6 numbers is 20. When one more number is added, the average becomes 22. What number was added?
39. 39.Zoya’s batting average after 12 innings is 46 runs. How many runs must Zoya score in the next innings to raise the average to 49?
40. 40.A study lamp bought for ₹1140 is sold at a loss of 25%. What is the selling price (in ₹)?

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