Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 403 · 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 amount when ₹48400 is invested at 5% per year compound interest for 2 years (in ₹).
2. 2.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
3. 3.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
4. 4.Marks of 5 friends in a quiz: 76, 60, 79, 66, 39. What is their average mark?
5. 5.A price comes down by 20% and then comes down by 50% more. By what percent has it come down in all? =
6. 6.A cricket bat is marked at ₹1260. The shop gives a 40% discount. How much do you pay (in ₹)?
7. 7.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A shop sells an average of 27 kg of sugar a day for 3 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
9. 9.A bus runs at 36 km/h. How far does it go in 90 minutes (in km)?
10. 10.Change 54 km/h into metres per second.
11. 11.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
12. 12.Diya puts ₹4200 in a bank at 6% simple interest per year. How much will she have after 1 year (in ₹)?
13. 13.After a 5% discount, a bicycle costs ₹4370. What was its marked price (in ₹)?
14. 14.A shop sells an average of 76 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
15. 15.Find the simple interest on ₹9900 at 13% per year for 1 year (in ₹).
16. 16.10 years ago, Tara’s mother was twice as old as Tara. The mother is 20 years old now. How old is Tara now?
17. 17.The simple interest on ₹19600 for 1 year is ₹1176. What is the rate of interest (% per year)?
18. 18.How many minutes does a car take to go 132 km at 36 km/h?
19. 19.A bus runs at 87 km/h. How far does it go in 20 minutes (in km)?
20. 20.By selling a watch for ₹1975, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
21. 21.A bicycle is marked at ₹4860. The shop gives a 20% discount. How much do you pay (in ₹)?
22. 22.A shopkeeper buys a table fan for ₹1140 and sells it for ₹1311. Find the profit percent.
23. 23.Find the compound interest on ₹43075 at 20% per year for 2 years, added every year (in ₹).
24. 24.What sum of money earns ₹856 simple interest in 4 years at 2% per year (in ₹)?
25. 25.Saanvi can finish a job in 9 days and Meera in 4 days. What fraction of the job do they finish if they work together for 1 day? =
26. 26.A watch is marked at ₹3660. The shop gives a 30% discount. How much do you pay (in ₹)?
27. 27.The price of a school bag changes from ₹1200 to ₹1260. By what percent did it go up?
28. 28.A bus runs at 24 km/h. How far does it go in 10 minutes (in km)?
29. 29.10 years ago, Kabir’s mother was four times as old as Kabir. The mother is 42 years old now. How old is Kabir now?
30. 30.The price of a school bag changes from ₹4480 to ₹3584. By what percent did it come down?
31. 31.A car runs for 2 hours at 72 km/h and then for 2 hours at 26 km/h. What is its average speed for the whole journey (in km/h)?
32. 32.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
33. 33.2 years ago, Tara’s mother was twice as old as Tara. The mother is 14 years old now. How old is Tara now?
34. 34.A cricket bat is marked at ₹3880. The shop gives a 25% discount. How much do you pay (in ₹)?
35. 35.In 4 years, Farhan will be twice as old as Farhan was 2 years ago. How old is Farhan now?
36. 36.Change 90 km/h into metres per second.
37. 37.Marks of 6 friends in a quiz: 68, 77, 76, 84, 89, 80. What is their average mark?
38. 38.In how many years will ₹4500 earn ₹900 as simple interest at 10% per year?
39. 39.The average of 7 numbers is 54. When one more number is added, the average becomes 60. What number was added?
40. 40.A watch is marked at ₹405. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?

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