Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 292 · 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.Diya puts ₹9400 in a bank at 10% simple interest per year. How much will she have after 1 year (in ₹)?
2. 2.A pressure cooker bought for ₹200 is sold at a loss of 15%. What is the selling price (in ₹)?
3. 3.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
4. 4.Kabir cycles to his school at 30 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
5. 5.Vivaan’s father is three times as old as Vivaan. The sum of their ages is 48 years. How old is Vivaan?
6. 6.What sum of money earns ₹3096 simple interest in 2 years at 9% per year (in ₹)?
7. 7.Find the compound interest on ₹25625 at 20% per year for 2 years, added every year (in ₹).
8. 8.A cricket bat is marked at ₹760. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
9. 9.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 84 years. How old is Vivaan?
10. 10.A pair of shoes bought for ₹280 is sold at a profit of 40%. What is the selling price (in ₹)?
11. 11.Ishaan and Karan together finish a job in 3 days. Ishaan alone takes 4 days. How many days would Karan take alone?
12. 12.Arjun can finish a job in 16 days and Meera in 12 days. What fraction of the job do they finish if they work together for 1 day? =
13. 13.What sum of money earns ₹10752 simple interest in 4 years at 14% per year (in ₹)?
14. 14.Marks of 6 friends in a quiz: 46, 35, 36, 53, 25, 33. What is their average mark?
15. 15.Priya can finish a job in 6 days and Vivaan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
16. 16.By selling a pair of shoes for ₹126, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
17. 17.Change 18 km/h into metres per second.
18. 18.9 years ago, Aarav’s mother was twice as old as Aarav. The mother is 29 years old now. How old is Aarav now?
19. 19.Tara can finish a job in 16 days and Karan in 15 days. What fraction of the job do they finish if they work together for 3 days? =
20. 20.A bus runs at 46 km/h. How far does it go in 30 minutes (in km)?
21. 21.A car runs for 4 hours at 68 km/h and then for 4 hours at 64 km/h. What is its average speed for the whole journey (in km/h)?
22. 22.Change 20 m/s into km/h.
23. 23.Kabir cycles to his school at 42 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
24. 24.After a 30% discount, a study lamp costs ₹2436. What was its marked price (in ₹)?
25. 25.The price of a school bag changes from ₹640 to ₹672. By what percent did it go up?
26. 26.The average of 7 numbers is 19. When one more number is added, the average becomes 21. What number was added?
27. 27.A water tank holds 1540 litres. 30% of the water is used. How many litres are left?
28. 28.The average weight of 10 children is 36 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
29. 29.Marks of 5 friends in a quiz: 39, 34, 50, 46, 51. What is their average mark?
30. 30.After a 30% discount, a cricket bat costs ₹3248. What was its marked price (in ₹)?
31. 31.A pair of shoes bought for ₹800 is sold at a profit of 15%. What is the selling price (in ₹)?
32. 32.Rohan can finish a job in 17 days and Ishaan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
33. 33.The average of 6 numbers is 37. When one more number is added, the average becomes 41. What number was added?
34. 34.By selling a pressure cooker for ₹2254, a shopkeeper makes a profit of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
35. 35.A bicycle is marked at ₹500. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
36. 36.Find the amount when ₹30625 is invested at 4% per year compound interest for 2 years (in ₹).
37. 37.The price of a school bag changes from ₹2200 to ₹1870. By what percent did it come down?
38. 38.A bus runs at 78 km/h. How far does it go in 50 minutes (in km)?
39. 39.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
40. 40.The price of a school bag changes from ₹1740 to ₹2610. By what percent did it go up?

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