Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 97 · 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.What is the difference between the compound interest and the simple interest on ₹10800 at 15% per year for 2 years (in ₹)?
2. 2.After a 10% discount, a pressure cooker costs ₹4068. What was its marked price (in ₹)?
3. 3.By selling a cricket bat for ₹2136, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
4. 4.A watch is marked at ₹4140. The shop gives a 10% discount. How much do you pay (in ₹)?
5. 5.Change 40 m/s into km/h.
6. 6.After a 15% discount, a watch costs ₹952. What was its marked price (in ₹)?
7. 7.Kabir cycles to his school at 35 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
8. 8.A shopkeeper buys a table fan for ₹1560 and sells it for ₹1092. Find the loss percent.
9. 9.The simple interest on ₹2300 for 5 years is ₹920. What is the rate of interest (% per year)?
10. 10.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
11. 11.A school bag bought for ₹820 is sold at a profit of 10%. What is the selling price (in ₹)?
12. 12.By selling a watch for ₹506, a shopkeeper makes a profit of 15%. What did the watch cost the shopkeeper (in ₹)?
13. 13.A bus runs at 69 km/h. How far does it go in 40 minutes (in km)?
14. 14.The average of 8 numbers is 48. When one more number is added, the average becomes 51. What number was added?
15. 15.A town has 4260 people. Its population grows by 10%. How many people live there now?
16. 16.A pressure cooker is marked at ₹4080. The shop gives a 15% discount. How much do you pay (in ₹)?
17. 17.Saanvi can finish a job in 9 days and Arjun in 24 days. Saanvi works alone for 3 days and then stops. Arjun finishes the rest. How many days does Arjun take?
18. 18.2 years ago, Zoya’s mother was three times as old as Zoya. The mother is 26 years old now. How old is Zoya now?
19. 19.A study lamp is marked at ₹544. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
20. 20.A water tank holds 4380 litres. 20% of the water is used. How many litres are left?
21. 21.Find the amount when ₹28160 is invested at 25% per year compound interest for 3 years (in ₹).
22. 22.The price of a school bag changes from ₹1060 to ₹1590. By what percent did it go up?
23. 23.Find the amount when ₹44800 is invested at 25% per year compound interest for 3 years (in ₹).
24. 24.A pair of shoes is marked at ₹3820. The shop gives a 5% discount. How much do you pay (in ₹)?
25. 25.Find the amount when ₹13400 is invested at 10% per year compound interest for 2 years (in ₹).
26. 26.A car runs for 2 hours at 26 km/h and then for 4 hours at 23 km/h. What is its average speed for the whole journey (in km/h)?
27. 27.Find the compound interest on ₹6000 at 10% per year for 3 years, added every year (in ₹).
28. 28.Ananya’s batting average after 15 innings is 38 runs. How many runs must Ananya score in the next innings to raise the average to 39?
29. 29.Tara is 9 years older than Kavya. In 4 years, the sum of their ages will be 27. How old is Kavya now?
30. 30.Karan and Diya together finish a job in 7 days. Karan alone takes 8 days. How many days would Diya take alone?
31. 31.By selling a table fan for ₹984, a shopkeeper makes a profit of 20%. What did the table fan cost the shopkeeper (in ₹)?
32. 32.A shopkeeper buys a table fan for ₹1080 and sells it for ₹1242. Find the profit percent.
33. 33.The average weight of 10 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
34. 34.Find the simple interest on ₹11800 at 15% per year for 2 years (in ₹).
35. 35.By selling a table fan for ₹418, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
36. 36.Find the compound interest on ₹33150 at 20% per year for 2 years, added every year (in ₹).
37. 37.A cricket bat bought for ₹800 is sold at a profit of 30%. What is the selling price (in ₹)?
38. 38.Kabir can finish a job in 7 days and Kavya in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
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 ₹3880 to ₹4656. By what percent did it go up?

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