Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 815 · 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 comes down by 25% and then comes down by 5% more. By what percent has it come down in all? =
2. 2.A pressure cooker is marked at ₹1240. The shop gives a 40% discount. How much do you pay (in ₹)?
3. 3.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
4. 4.Find the compound interest on ₹8300 at 10% per year for 2 years, added every year (in ₹).
5. 5.The price of a school bag changes from ₹4460 to ₹4237. By what percent did it come down?
6. 6.Change 15 m/s into km/h.
7. 7.What sum of money earns ₹180 simple interest in 5 years at 2% per year (in ₹)?
8. 8.A shopkeeper buys a pair of shoes for ₹1720 and sells it for ₹1376. Find the loss percent.
9. 9.By selling a pressure cooker for ₹943, a shopkeeper makes a profit of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
10. 10.Meera can finish a job in 17 days and Manav in 5 days. What fraction of the job do they finish if they work together for 3 days? =
11. 11.After a 50% discount, a bicycle costs ₹1230. What was its marked price (in ₹)?
12. 12.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
13. 13.A shopkeeper buys a pressure cooker for ₹380 and sells it for ₹418. Find the profit percent.
14. 14.The average of 9 numbers is 54. When one more number is added, the average becomes 56. What number was added?
15. 15.Change 5 m/s into km/h.
16. 16.A car runs for 4 hours at 20 km/h and then for 2 hours at 41 km/h. What is its average speed for the whole journey (in km/h)?
17. 17.In how many years will ₹2700 earn ₹1134 as simple interest at 14% per year?
18. 18.A shopkeeper buys a watch for ₹300 and sells it for ₹285. Find the loss percent.
19. 19.Aarav is 3 years older than Nisha. In 6 years, the sum of their ages will be 59. How old is Nisha now?
20. 20.By selling a bicycle for ₹560, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
21. 21.A shopkeeper buys a school bag for ₹460 and sells it for ₹345. Find the loss percent.
22. 22.Change 10 m/s into km/h.
23. 23.Isha’s batting average after 7 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 45?
24. 24.Find the amount when ₹44375 is invested at 4% per year compound interest for 2 years (in ₹).
25. 25.5 years ago, Arjun’s mother was three times as old as Arjun. The mother is 23 years old now. How old is Arjun now?
26. 26.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
27. 27.By selling a school bag for ₹391, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
28. 28.By selling a study lamp for ₹768, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
29. 29.The price of a bicycle is ₹3340. It goes up by 10%. What is the new price (in ₹)?
30. 30.Farhan works three times as fast as Aarav. Together they finish a job in 5 days. How many days would Aarav take alone?
31. 31.Vivaan’s batting average after 14 innings is 22 runs. How many runs must Vivaan score in the next innings to raise the average to 25?
32. 32.A price goes up by 50% and then goes up by 40% more. By what percent has it gone up in all? =
33. 33.The average of 4 numbers is 47. When one more number is added, the average becomes 49. What number was added?
34. 34.A pair of shoes marked at ₹480 is sold for ₹336. What is the discount percent?
35. 35.A shop sells an average of 30 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
36. 36.A shop sells an average of 52 kg of sugar a day for 6 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
37. 37.A cricket bat is marked at ₹944. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?
39. 39.7 years ago, Aditya’s mother was twice as old as Aditya. The mother is 29 years old now. How old is Aditya now?
40. 40.Change 72 km/h into metres per second.

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