Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 510 · 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.By selling a study lamp for ₹414, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
2. 2.Zoya is 9 years older than Saanvi. In 6 years, the sum of their ages will be 73. How old is Saanvi now?
3. 3.Aditya works three times as fast as Kabir. Together they finish a job in 9 days. How many days would Kabir take alone?
4. 4.Isha works three times as fast as Dev. Together they finish a job in 11 days. How many days would Dev take alone?
5. 5.A school bag marked at ₹640 is sold for ₹544. What is the discount percent?
6. 6.A bicycle bought for ₹1680 is sold at a loss of 15%. What is the selling price (in ₹)?
7. 7.Priya can finish a job in 4 days and Arjun in 16 days. Priya works alone for 1 day and then stops. Arjun finishes the rest. How many days does Arjun take?
8. 8.Sneha’s father is four times as old as Sneha. The sum of their ages is 60 years. How old is the father?
9. 9.Rohan can finish a job in 6 days and Ishaan in 9 days. Rohan works alone for 4 days and then stops. Ishaan finishes the rest. How many days does Ishaan take?
10. 10.Kabir cycles to his school at 36 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
11. 11.Dev’s batting average after 9 innings is 21 runs. How many runs must Dev score in the next innings to raise the average to 22?
12. 12.Change 36 km/h into metres per second.
13. 13.Rohan is 9 years older than Saanvi. In 2 years, the sum of their ages will be 61. How old is Saanvi now?
14. 14.Find the compound interest on ₹29000 at 20% per year for 3 years, added every year (in ₹).
15. 15.Diya puts ₹14500 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
16. 16.Find the compound interest on ₹47900 at 10% per year for 2 years, added every year (in ₹).
17. 17.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
18. 18.A pair of shoes is marked at ₹405. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
19. 19.9 years ago, Nisha’s mother was twice as old as Nisha. The mother is 27 years old now. How old is Nisha now?
20. 20.Marks of 4 friends in a quiz: 40, 55, 51, 58. What is their average mark?
21. 21.How many minutes does a car take to go 136 km at 68 km/h?
22. 22.Sneha’s batting average after 5 innings is 20 runs. How many runs must Sneha score in the next innings to raise the average to 22?
23. 23.Find the amount when ₹25000 is invested at 10% per year compound interest for 3 years (in ₹).
24. 24.Rohan works twice as fast as Ananya. Together they finish a job in 10 days. How many days would Ananya take alone?
25. 25.A cricket bat bought for ₹540 is sold at a profit of 15%. What is the selling price (in ₹)?
26. 26.After a 30% discount, a table fan costs ₹3220. What was its marked price (in ₹)?
27. 27.By selling a cricket bat for ₹2025, a shopkeeper makes a profit of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
28. 28.Find the simple interest on ₹6900 at 6% per year for 4 years (in ₹).
29. 29.A bus runs at 40 km/h. How far does it go in 30 minutes (in km)?
30. 30.What is the difference between the compound interest and the simple interest on ₹24800 at 5% per year for 2 years (in ₹)?
31. 31.Find the simple interest on ₹14300 at 9% per year for 4 years (in ₹).
32. 32.A bus runs at 64 km/h. How far does it go in 90 minutes (in km)?
33. 33.A car runs for 4 hours at 57 km/h and then for 4 hours at 67 km/h. What is its average speed for the whole journey (in km/h)?
34. 34.A shopkeeper buys a bicycle for ₹500 and sells it for ₹525. Find the profit percent.
35. 35.Find the amount when ₹42500 is invested at 12% per year compound interest for 2 years (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹45300 at 20% per year for 2 years (in ₹)?
37. 37.A watch is marked at ₹1720. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
38. 38.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
39. 39.What is the difference between the compound interest and the simple interest on ₹2400 at 5% per year for 2 years (in ₹)?
40. 40.A table fan is marked at ₹1160. The shop gives a 15% discount. How much do you pay (in ₹)?

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