Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 603 · 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.What is the difference between the compound interest and the simple interest on ₹22500 at 10% per year for 2 years (in ₹)?
2. 2.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
3. 3.A bicycle is marked at ₹4680. The shop gives a 15% discount. How much do you pay (in ₹)?
4. 4.Ananya’s batting average after 6 innings is 23 runs. How many runs must Ananya score in the next innings to raise the average to 26?
5. 5.By selling a cricket bat for ₹1357, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
6. 6.In 20 years, Sneha will be twice as old as Sneha was 2 years ago. How old is Sneha now?
7. 7.A pair of shoes bought for ₹1260 is sold at a loss of 20%. What is the selling price (in ₹)?
8. 8.A shopkeeper buys a bicycle for ₹1620 and sells it for ₹1215. Find the loss percent.
9. 9.After a 25% discount, a pressure cooker costs ₹3270. What was its marked price (in ₹)?
10. 10.In 1 years, Aarav will be twice as old as Aarav was 4 years ago. How old is Aarav now?
11. 11.The price of a school bag changes from ₹4520 to ₹6328. By what percent did it go up?
12. 12.A pair of shoes is marked at ₹1280. The shop gives a 30% discount. How much do you pay (in ₹)?
13. 13.The simple interest on ₹7300 for 4 years is ₹876. What is the rate of interest (% per year)?
14. 14.A shopkeeper buys a pressure cooker for ₹960 and sells it for ₹1248. Find the profit percent.
15. 15.A shopkeeper buys a watch for ₹520 and sells it for ₹468. Find the loss percent.
16. 16.In how many years will ₹2900 earn ₹116 as simple interest at 4% per year?
17. 17.A shop sells an average of 70 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
18. 18.A car runs for 1 hour at 71 km/h and then for 2 hours at 23 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.Ananya can finish a job in 8 days and Pooja in 19 days. What fraction of the job do they finish if they work together for 1 day? =
20. 20.A bicycle bought for ₹1580 is sold at a loss of 5%. What is the selling price (in ₹)?
21. 21.The average of 5 numbers is 22. When one more number is added, the average becomes 27. What number was added?
22. 22.Find the amount when ₹13750 is invested at 20% per year compound interest for 3 years (in ₹).
23. 23.9 years ago, Arjun’s mother was four times as old as Arjun. The mother is 57 years old now. How old is Arjun now?
24. 24.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
25. 25.Change 36 km/h into metres per second.
26. 26.The average of 6 numbers is 45. When one more number is added, the average becomes 51. What number was added?
27. 27.After a 20% discount, a bicycle costs ₹3312. What was its marked price (in ₹)?
28. 28.The simple interest on ₹4300 for 1 year is ₹559. What is the rate of interest (% per year)?
29. 29.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
30. 30.A price goes up by 15% and then goes up by 30% more. By what percent has it gone up in all? =
31. 31.Rohan can finish a job in 16 days and Zoya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.After a 40% discount, a watch costs ₹2532. What was its marked price (in ₹)?
33. 33.Find the amount when ₹16000 is invested at 25% per year compound interest for 2 years (in ₹).
34. 34.Find the amount when ₹37500 is invested at 4% per year compound interest for 2 years (in ₹).
35. 35.A school bag bought for ₹580 is sold at a loss of 5%. What is the selling price (in ₹)?
36. 36.Nisha is 5 years older than Priya. In 6 years, the sum of their ages will be 61. How old is Priya now?
37. 37.Kabir cycles to his school at 15 km/h and comes back by the same road at 75 km/h. What is his average speed for the whole trip (in km/h)?
38. 38.A town has 400 people. Its population grows by 40%. How many people live there now?
39. 39.A shopkeeper buys a pair of shoes for ₹60 and sells it for ₹84. Find the profit percent.
40. 40.After a 20% discount, a bicycle costs ₹2016. What was its marked price (in ₹)?

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