Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 811 · 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.The price of a school bag changes from ₹1620 to ₹1944. By what percent did it go up?
2. 2.What is the difference between the compound interest and the simple interest on ₹2800 at 25% per year for 2 years (in ₹)?
3. 3.The simple interest on ₹19100 for 1 year is ₹2292. What is the rate of interest (% per year)?
4. 4.How many minutes does a car take to go 11 km at 55 km/h?
5. 5.The simple interest on ₹15700 for 3 years is ₹7065. What is the rate of interest (% per year)?
6. 6.9 years ago, Dev’s mother was three times as old as Dev. The mother is 33 years old now. How old is Dev now?
7. 7.By selling a table fan for ₹1044, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
8. 8.The price of a bicycle is ₹2300. It goes up by 5%. What is the new price (in ₹)?
9. 9.What sum of money earns ₹5232 simple interest in 4 years at 12% per year (in ₹)?
10. 10.Find the simple interest on ₹13500 at 12% per year for 4 years (in ₹).
11. 11.Diya puts ₹10700 in a bank at 4% simple interest per year. How much will she have after 2 years (in ₹)?
12. 12.A price goes up by 20% and then goes up by 30% more. By what percent has it gone up in all? =
13. 13.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
14. 14.Kabir cycles to his school at 60 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
15. 15.A bus runs at 52 km/h. How far does it go in 30 minutes (in km)?
16. 16.What sum of money earns ₹940 simple interest in 4 years at 5% per year (in ₹)?
17. 17.Find the compound interest on ₹4992 at 25% per year for 2 years, added every year (in ₹).
18. 18.A cricket bat marked at ₹4640 is sold for ₹3480. What is the discount percent?
19. 19.Change 90 km/h into metres per second.
20. 20.What sum of money earns ₹4656 simple interest in 4 years at 12% per year (in ₹)?
21. 21.A school bag is marked at ₹1325. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
22. 22.Kabir works three times as fast as Nisha. Together they finish a job in 2 days. How many days would Nisha take alone?
23. 23.Pooja’s father is twice as old as Pooja. The sum of their ages is 27 years. How old is the father?
24. 24.Rahul’s father is five times as old as Rahul. The sum of their ages is 30 years. How old is Rahul?
25. 25.Diya puts ₹12400 in a bank at 2% simple interest per year. How much will she have after 5 years (in ₹)?
26. 26.The price of a school bag changes from ₹2140 to ₹2568. By what percent did it go up?
27. 27.In 22 years, Farhan will be twice as old as Farhan was 3 years ago. How old is Farhan now?
28. 28.A town has 2660 people. Its population grows by 40%. How many people live there now?
29. 29.Kabir cycles to his school at 72 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.After a 30% discount, a watch costs ₹3402. What was its marked price (in ₹)?
31. 31.In 18 years, Farhan will be three times as old as Farhan was 2 years ago. How old is Farhan now?
32. 32.A shopkeeper buys a bicycle for ₹2000 and sells it for ₹2200. Find the profit percent.
33. 33.Find the amount when ₹21250 is invested at 4% per year compound interest for 2 years (in ₹).
34. 34.The simple interest on ₹14100 for 3 years is ₹2538. What is the rate of interest (% per year)?
35. 35.A bicycle is marked at ₹1920. The shop gives a 5% discount. How much do you pay (in ₹)?
36. 36.A shopkeeper buys a bicycle for ₹320 and sells it for ₹288. Find the loss percent.
37. 37.Arjun works twice as fast as Rohan. Together they finish a job in 11 days. How many days would Rohan take alone?
38. 38.Ishaan’s father is five times as old as Ishaan. The sum of their ages is 90 years. How old is the father?
39. 39.Change 35 m/s into km/h.
40. 40.What sum of money earns ₹2280 simple interest in 4 years at 10% per year (in ₹)?

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