Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 87 · 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.After a 5% discount, a cricket bat costs ₹570. What was its marked price (in ₹)?
2. 2.Find the simple interest on ₹700 at 5% per year for 2 years (in ₹).
3. 3.The average of 6 numbers is 47. When one more number is added, the average becomes 53. What number was added?
4. 4.A pressure cooker bought for ₹1180 is sold at a loss of 50%. What is the selling price (in ₹)?
5. 5.A price goes up by 50% and then comes down by 10%. By what percent has it gone up in all? =
6. 6.After a 30% discount, a watch costs ₹714. What was its marked price (in ₹)?
7. 7.A school bag bought for ₹880 is sold at a loss of 15%. What is the selling price (in ₹)?
8. 8.A study lamp is marked at ₹2900. The shop gives a 40% discount. How much do you pay (in ₹)?
9. 9.Arjun’s batting average after 15 innings is 37 runs. How many runs must Arjun score in the next innings to raise the average to 39?
10. 10.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
11. 11.Ishaan’s batting average after 15 innings is 31 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
12. 12.What sum of money earns ₹5104 simple interest in 4 years at 11% per year (in ₹)?
13. 13.Diya puts ₹15600 in a bank at 13% simple interest per year. How much will she have after 1 year (in ₹)?
14. 14.Diya puts ₹13400 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹11400 at 10% per year for 2 years (in ₹)?
16. 16.Find the simple interest on ₹600 at 7% per year for 4 years (in ₹).
17. 17.By selling a table fan for ₹312, a shopkeeper makes a profit of 30%. What did the table fan cost the shopkeeper (in ₹)?
18. 18.A water tank holds 3360 litres. 50% of the water is used. How many litres are left?
19. 19.A pressure cooker is marked at ₹2540. The shop gives a 40% discount. How much do you pay (in ₹)?
20. 20.Diya puts ₹14000 in a bank at 11% simple interest per year. How much will she have after 5 years (in ₹)?
21. 21.A shopkeeper buys a watch for ₹340 and sells it for ₹391. Find the profit percent.
22. 22.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
23. 23.A shop sells 1260 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
24. 24.Diya’s batting average after 15 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 44?
25. 25.A school bag bought for ₹840 is sold at a loss of 5%. What is the selling price (in ₹)?
26. 26.9 years ago, Meera’s mother was four times as old as Meera. The mother is 21 years old now. How old is Meera now?
27. 27.By selling a school bag for ₹2016, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
28. 28.A bicycle is marked at ₹580. The shop gives a 5% discount. How much do you pay (in ₹)?
29. 29.Rohan can finish a job in 30 days and Aarav in 12 days. Rohan works alone for 5 days and then stops. Aarav finishes the rest. How many days does Aarav take?
30. 30.Farhan’s father is four times as old as Farhan. The sum of their ages is 45 years. How old is Farhan?
31. 31.Arjun can finish a job in 30 days and Ananya in 20 days. Arjun works alone for 15 days and then stops. Ananya finishes the rest. How many days does Ananya take?
32. 32.After a 10% discount, a school bag costs ₹144. What was its marked price (in ₹)?
33. 33.Diya puts ₹3600 in a bank at 12% simple interest per year. How much will she have after 2 years (in ₹)?
34. 34.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
35. 35.Find the simple interest on ₹13200 at 6% per year for 2 years (in ₹).
36. 36.A shop sells 580 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
37. 37.A shopkeeper buys a watch for ₹140 and sells it for ₹161. Find the profit percent.
38. 38.A price comes down by 15% and then comes down by 40% more. By what percent has it come down in all? =
39. 39.A bus runs at 84 km/h. How far does it go in 10 minutes (in km)?
40. 40.By selling a pair of shoes for ₹2670, a shopkeeper makes a profit of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?

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