Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 379 · 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.By selling a pressure cooker for ₹990, a shopkeeper makes a loss of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
2. 2.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
3. 3.Saanvi’s batting average after 10 innings is 37 runs. How many runs must Saanvi score in the next innings to raise the average to 40?
4. 4.A car runs for 1 hour at 72 km/h and then for 4 hours at 22 km/h. What is its average speed for the whole journey (in km/h)?
5. 5.Change 90 km/h into metres per second.
6. 6.The simple interest on ₹2200 for 4 years is ₹616. What is the rate of interest (% per year)?
7. 7.A price goes up by 20% and then goes up by 15% more. By what percent has it gone up in all? =
8. 8.Karan can finish a job in 7 days and Arjun in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.A pair of shoes is marked at ₹544. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
10. 10.After a 5% discount, a study lamp costs ₹3249. What was its marked price (in ₹)?
11. 11.The average of 4 numbers is 35. When one more number is added, the average becomes 39. What number was added?
12. 12.A shop sells an average of 78 kg of sugar a day for 2 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
13. 13.A pressure cooker is marked at ₹550. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
14. 14.A price goes up by 30% and then goes up by 15% more. By what percent has it gone up in all? =
15. 15.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
16. 16.The average of 5 numbers is 24. When one more number is added, the average becomes 30. What number was added?
17. 17.By selling a school bag for ₹2475, a shopkeeper makes a profit of 25%. What did the school bag cost the shopkeeper (in ₹)?
18. 18.Diya puts ₹19800 in a bank at 9% simple interest per year. How much will she have after 1 year (in ₹)?
19. 19.Find the simple interest on ₹9700 at 10% per year for 2 years (in ₹).
20. 20.Change 15 m/s into km/h.
21. 21.Find the amount when ₹48400 is invested at 15% per year compound interest for 2 years (in ₹).
22. 22.By selling a watch for ₹720, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
23. 23.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
24. 24.Tara’s father is four times as old as Tara. The sum of their ages is 50 years. How old is Tara?
25. 25.Find the compound interest on ₹2000 at 10% per year for 3 years, added every year (in ₹).
26. 26.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
27. 27.A cricket bat is marked at ₹2580. The shop gives a 30% discount. How much do you pay (in ₹)?
28. 28.Aarav can finish a job in 10 days and Zoya in 13 days. What fraction of the job do they finish if they work together for 2 days? =
29. 29.Manav can finish a job in 10 days and Arjun in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.How many minutes does a car take to go 128 km at 48 km/h?
31. 31.Sneha’s batting average after 14 innings is 41 runs. How many runs must Sneha score in the next innings to raise the average to 44?
32. 32.In how many years will ₹12500 earn ₹5000 as simple interest at 8% per year?
33. 33.The average of 6 numbers is 16. When one more number is added, the average becomes 22. What number was added?
34. 34.A bicycle is marked at ₹1280. The shop gives a 5% discount. How much do you pay (in ₹)?
35. 35.In 3 years, Karan will be twice as old as Karan was 6 years ago. How old is Karan now?
36. 36.Pooja works three times as fast as Ishaan. Together they finish a job in 11 days. How many days would Ishaan take alone?
37. 37.A shop sells an average of 30 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
38. 38.A shop sells an average of 60 kg of sugar a day for 4 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
39. 39.Tara’s father is twice as old as Tara. The sum of their ages is 15 years. How old is the father?
40. 40.Ananya can finish a job in 17 days and Kabir in 9 days. What fraction of the job do they finish if they work together for 2 days? =

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