Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 725 · 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 shop sells an average of 41 kg of sugar a day for 6 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
2. 2.A water tank holds 4520 litres. 20% of the water is used. How many litres are left?
3. 3.Pooja is 6 years older than Ananya. In 7 years, the sum of their ages will be 40. How old is Ananya now?
4. 4.By selling a school bag for ₹1196, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
5. 5.The simple interest on ₹9400 for 3 years is ₹564. What is the rate of interest (% per year)?
6. 6.A town has 420 people. Its population grows by 15%. How many people live there now?
7. 7.A bicycle marked at ₹280 is sold for ₹210. What is the discount percent?
8. 8.Meera is 7 years older than Sneha. In 3 years, the sum of their ages will be 47. How old is Sneha now?
9. 9.Saanvi can finish a job in 6 days and Dev in 22 days. Saanvi works alone for 3 days and then stops. Dev finishes the rest. How many days does Dev take?
10. 10.A bus runs at 36 km/h. How far does it go in 30 minutes (in km)?
11. 11.Find the simple interest on ₹14400 at 5% per year for 3 years (in ₹).
12. 12.Kabir’s father is four times as old as Kabir. The sum of their ages is 45 years. How old is Kabir?
13. 13.Change 18 km/h into metres per second.
14. 14.By selling a table fan for ₹1456, a shopkeeper makes a profit of 40%. What did the table fan cost the shopkeeper (in ₹)?
15. 15.How many minutes does a car take to go 92 km at 80 km/h?
16. 16.By selling a pressure cooker for ₹2300, a shopkeeper makes a profit of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
17. 17.Find the compound interest on ₹11600 at 15% per year for 2 years, added every year (in ₹).
18. 18.Nisha’s batting average after 10 innings is 39 runs. How many runs must Nisha score in the next innings to raise the average to 43?
19. 19.What is the difference between the compound interest and the simple interest on ₹1800 at 10% per year for 2 years (in ₹)?
20. 20.Manav’s father is four times as old as Manav. The sum of their ages is 70 years. How old is Manav?
21. 21.A water tank holds 2340 litres. 40% of the water is used. How many litres are left?
22. 22.What is the difference between the compound interest and the simple interest on ₹17600 at 15% per year for 2 years (in ₹)?
23. 23.The price of a school bag changes from ₹4820 to ₹6025. By what percent did it go up?
24. 24.Marks of 6 friends in a quiz: 75, 92, 88, 91, 65, 63. What is their average mark?
25. 25.A price goes up by 20% and then goes up by 5% more. By what percent has it gone up in all? =
26. 26.The average weight of 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
27. 27.Find the amount when ₹28250 is invested at 20% per year compound interest for 3 years (in ₹).
28. 28.3 years ago, Diya’s mother was twice as old as Diya. The mother is 13 years old now. How old is Diya now?
29. 29.Marks of 6 friends in a quiz: 68, 89, 76, 68, 87, 80. What is their average mark?
30. 30.In 11 years, Nisha will be twice as old as Nisha was 3 years ago. How old is Nisha now?
31. 31.A shopkeeper buys a pressure cooker for ₹400 and sells it for ₹380. Find the loss percent.
32. 32.A pressure cooker bought for ₹60 is sold at a profit of 20%. What is the selling price (in ₹)?
33. 33.Marks of 4 friends in a quiz: 94, 73, 83, 94. What is their average mark?
34. 34.A water tank holds 660 litres. 30% of the water is used. How many litres are left?
35. 35.Change 40 m/s into km/h.
36. 36.Rohan’s father is five times as old as Rohan. The sum of their ages is 78 years. How old is the father?
37. 37.Find the compound interest on ₹48000 at 15% per year for 2 years, added every year (in ₹).
38. 38.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
39. 39.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
40. 40.A bicycle is marked at ₹545. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?

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