Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 654 · 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 water tank holds 60 litres. 30% of the water is used. How many litres are left?
2. 2.The simple interest on ₹12100 for 5 years is ₹6655. What is the rate of interest (% per year)?
3. 3.The average weight of 12 children is 47 kg. One child, who weighs 80 kg, leaves the group. What is the new average weight (in kg)?
4. 4.A pressure cooker marked at ₹740 is sold for ₹666. What is the discount percent?
5. 5.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
6. 6.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)?
7. 7.A shopkeeper buys a pressure cooker for ₹500 and sells it for ₹700. Find the profit percent.
8. 8.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
9. 9.Ishaan’s father is five times as old as Ishaan. The sum of their ages is 66 years. How old is Ishaan?
10. 10.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
11. 11.Find the simple interest on ₹14300 at 15% per year for 5 years (in ₹).
12. 12.A watch is marked at ₹2060. The shop gives a 40% discount. How much do you pay (in ₹)?
13. 13.By selling a study lamp for ₹855, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
14. 14.Change 30 m/s into km/h.
15. 15.A table fan is marked at ₹4580. The shop gives a 15% discount. How much do you pay (in ₹)?
16. 16.Rohan’s batting average after 7 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 43?
17. 17.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
18. 18.A water tank holds 1400 litres. 40% of the water is used. How many litres are left?
19. 19.A price comes down by 20% and then comes down by 30% more. By what percent has it come down in all? =
20. 20.The average of 9 numbers is 21. When one more number is added, the average becomes 23. What number was added?
21. 21.The simple interest on ₹19100 for 1 year is ₹764. What is the rate of interest (% per year)?
22. 22.Ananya can finish a job in 4 days and Kabir in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.In 27 years, Kabir will be three times as old as Kabir was 5 years ago. How old is Kabir now?
24. 24.After a 40% discount, a study lamp costs ₹2556. What was its marked price (in ₹)?
25. 25.Priya can finish a job in 19 days and Manav in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
27. 27.By selling a watch for ₹171, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
28. 28.The price of a school bag changes from ₹3980 to ₹5174. By what percent did it go up?
29. 29.Rohan can finish a job in 14 days and Ananya in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.After a 40% discount, a cricket bat costs ₹984. What was its marked price (in ₹)?
31. 31.Find the simple interest on ₹17600 at 9% per year for 3 years (in ₹).
32. 32.Kabir cycles to his school at 27 km/h and comes back by the same road at 54 km/h. What is his average speed for the whole trip (in km/h)?
33. 33.Find the compound interest on ₹24000 at 15% per year for 3 years, added every year (in ₹).
34. 34.Diya puts ₹1500 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
35. 35.A town has 2060 people. Its population grows by 15%. How many people live there now?
36. 36.Nisha can finish a job in 26 days and Sneha in 13 days. Nisha works alone for 18 days and then stops. Sneha finishes the rest. How many days does Sneha take?
37. 37.The average of 7 numbers is 36. When one more number is added, the average becomes 38. What number was added?
38. 38.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
39. 39.Dev is 4 years older than Kavya. In 10 years, the sum of their ages will be 64. How old is Kavya now?
40. 40.A price goes up by 15% and then goes up by 40% more. By what percent has it gone up in all? =

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude