Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 600 · 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. 1.3 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 39 years old now. How old is Vivaan now?
2. 2.What is the difference between the compound interest and the simple interest on ₹1400 at 20% per year for 2 years (in ₹)?
3. 3.A shop sells an average of 70 kg of sugar a day for 3 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
4. 4.Find the amount when ₹40000 is invested at 4% per year compound interest for 2 years (in ₹).
5. 5.Manav can finish a job in 13 days and Karan in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
6. 6.A water tank holds 3460 litres. 40% of the water is used. How many litres are left?
7. 7.A bus runs at 46 km/h. How far does it go in 30 minutes (in km)?
8. 8.A pair of shoes marked at ₹3020 is sold for ₹1812. What is the discount percent?
9. 9.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
10. 10.Find the simple interest on ₹13200 at 11% per year for 2 years (in ₹).
11. 11.Arjun is 6 years older than Kabir. In 7 years, the sum of their ages will be 52. How old is Kabir now?
12. 12.Change 18 km/h into metres per second.
13. 13.Find the simple interest on ₹11800 at 13% per year for 4 years (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹5000 at 8% per year for 2 years (in ₹)?
15. 15.Rohan’s batting average after 15 innings is 49 runs. How many runs must Rohan score in the next innings to raise the average to 54?
16. 16.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
17. 17.By selling a pair of shoes for ₹2604, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
18. 18.A water tank holds 220 litres. 5% of the water is used. How many litres are left?
19. 19.The average of 7 numbers is 29. When one more number is added, the average becomes 30. What number was added?
20. 20.Change 36 km/h into metres per second.
21. 21.A shopkeeper buys a watch for ₹1180 and sells it for ₹1357. Find the profit percent.
22. 22.Kavya and Dev together finish a job in 8 days. Kavya alone takes 9 days. How many days would Dev take alone?
23. 23.A shop sells an average of 46 kg of sugar a day for 6 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
24. 24.A pair of shoes bought for ₹500 is sold at a profit of 5%. What is the selling price (in ₹)?
25. 25.In how many years will ₹15700 earn ₹2355 as simple interest at 15% per year?
26. 26.Find the compound interest on ₹8224 at 25% per year for 2 years, added every year (in ₹).
27. 27.A price goes up by 10% and then goes up by 40% more. By what percent has it gone up in all? =
28. 28.By selling a pair of shoes for ₹1764, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
29. 29.By selling a cricket bat for ₹1332, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
30. 30.Find the compound interest on ₹1200 at 5% per year for 2 years, added every year (in ₹).
31. 31.Vivaan and Zoya together finish a job in 2 days. Vivaan alone takes 6 days. How many days would Zoya take alone?
32. 32.The price of a school bag changes from ₹4960 to ₹7440. By what percent did it go up?
33. 33.Marks of 5 friends in a quiz: 28, 21, 22, 33, 71. What is their average mark?
34. 34.Find the amount when ₹38400 is invested at 5% per year compound interest for 2 years (in ₹).
35. 35.Find the compound interest on ₹39750 at 20% per year for 3 years, added every year (in ₹).
36. 36.Isha’s batting average after 7 innings is 34 runs. How many runs must Isha score in the next innings to raise the average to 39?
37. 37.Find the compound interest on ₹13975 at 20% per year for 2 years, added every year (in ₹).
38. 38.In how many years will ₹10900 earn ₹763 as simple interest at 7% per year?
39. 39.Ananya can finish a job in 12 days and Priya in 7 days. What fraction of the job do they finish if they work together for 3 days? =
40. 40.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =

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