Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 411 · 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.Find the compound interest on ₹36875 at 8% per year for 2 years, added every year (in ₹).
2. 2.A water tank holds 4980 litres. 50% of the water is used. How many litres are left?
3. 3.A shop sells an average of 79 kg of sugar a day for 6 days, and then 76 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
4. 4.In 28 years, Zoya will be three times as old as Zoya was 6 years ago. How old is Zoya now?
5. 5.A table fan bought for ₹1140 is sold at a loss of 40%. What is the selling price (in ₹)?
6. 6.A school bag marked at ₹3680 is sold for ₹2760. What is the discount percent?
7. 7.The price of a school bag changes from ₹2240 to ₹3360. By what percent did it go up?
8. 8.The price of a school bag changes from ₹3360 to ₹4200. By what percent did it go up?
9. 9.Meera is 4 years older than Tara. In 5 years, the sum of their ages will be 24. How old is Tara now?
10. 10.A price comes down by 15% and then comes down by 30% more. By what percent has it come down in all? =
11. 11.Priya and Farhan together finish a job in 2 days. Priya alone takes 6 days. How many days would Farhan take alone?
12. 12.Saanvi works three times as fast as Zoya. Together they finish a job in 8 days. How many days would Zoya take alone?
13. 13.The average of 6 numbers is 19. When one more number is added, the average becomes 20. What number was added?
14. 14.A town has 4040 people. Its population grows by 20%. How many people live there now?
15. 15.By selling a table fan for ₹1302, a shopkeeper makes a profit of 5%. What did the table fan cost the shopkeeper (in ₹)?
16. 16.A water tank holds 2360 litres. 20% of the water is used. How many litres are left?
17. 17.Marks of 5 friends in a quiz: 80, 69, 94, 74, 98. What is their average mark?
18. 18.What is the difference between the compound interest and the simple interest on ₹24400 at 25% per year for 2 years (in ₹)?
19. 19.Dev’s father is four times as old as Dev. The sum of their ages is 25 years. How old is Dev?
20. 20.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
21. 21.Rohan’s father is three times as old as Rohan. The sum of their ages is 36 years. How old is Rohan?
22. 22.The price of a school bag changes from ₹1220 to ₹1159. By what percent did it come down?
23. 23.By selling a school bag for ₹1100, a shopkeeper makes a profit of 25%. What did the school bag cost the shopkeeper (in ₹)?
24. 24.The price of a bicycle is ₹720. It goes up by 50%. What is the new price (in ₹)?
25. 25.A watch is marked at ₹2100. The shop gives a 15% discount. How much do you pay (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
27. 27.Change 36 km/h into metres per second.
28. 28.By selling a cricket bat for ₹51, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
29. 29.In how many years will ₹1300 earn ₹390 as simple interest at 15% per year?
30. 30.How many minutes does a car take to go 78 km at 52 km/h?
31. 31.Change 30 m/s into km/h.
32. 32.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
33. 33.Dev can finish a job in 4 days and Pooja in 26 days. Dev works alone for 2 days and then stops. Pooja finishes the rest. How many days does Pooja take?
34. 34.In 12 years, Aditya will be three times as old as Aditya was 6 years ago. How old is Aditya now?
35. 35.A price goes up by 40% and then goes up by 25% more. By what percent has it gone up in all? =
36. 36.3 years ago, Isha’s mother was three times as old as Isha. The mother is 27 years old now. How old is Isha now?
37. 37.In how many years will ₹6000 earn ₹1200 as simple interest at 5% per year?
38. 38.A watch bought for ₹420 is sold at a profit of 10%. What is the selling price (in ₹)?
39. 39.Kabir cycles to his school at 28 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
40. 40.Tara can finish a job in 20 days and Dev in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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