Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 697 · 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.Ishaan’s batting average after 6 innings is 46 runs. How many runs must Ishaan score in the next innings to raise the average to 48?
2. 2.Change 30 m/s into km/h.
3. 3.Find the compound interest on ₹38125 at 4% per year for 2 years, added every year (in ₹).
4. 4.8 years ago, Meera’s mother was twice as old as Meera. The mother is 32 years old now. How old is Meera now?
5. 5.A pair of shoes marked at ₹580 is sold for ₹551. What is the discount percent?
6. 6.By selling a pressure cooker for ₹1245, a shopkeeper makes a loss of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
7. 7.A price goes up by 50% and then comes down by 25%. By what percent has it gone up in all? =
8. 8.By selling a pressure cooker for ₹304, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
9. 9.By selling a pressure cooker for ₹180, a shopkeeper makes a loss of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
10. 10.Rohan’s batting average after 5 innings is 46 runs. How many runs must Rohan score in the next innings to raise the average to 50?
11. 11.A pair of shoes bought for ₹640 is sold at a loss of 30%. What is the selling price (in ₹)?
12. 12.A bus runs at 56 km/h. How far does it go in 90 minutes (in km)?
13. 13.Priya can finish a job in 7 days and Farhan in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.Find the compound interest on ₹39200 at 5% per year for 2 years, added every year (in ₹).
15. 15.A pressure cooker is marked at ₹616. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
16. 16.Priya’s father is twice as old as Priya. The sum of their ages is 42 years. How old is Priya?
17. 17.A study lamp bought for ₹660 is sold at a loss of 25%. What is the selling price (in ₹)?
18. 18.Marks of 6 friends in a quiz: 27, 42, 39, 21, 20, 31. What is their average mark?
19. 19.A watch is marked at ₹1175. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹4000 at 10% per year for 2 years (in ₹)?
21. 21.A price comes down by 50% and then comes down by 20% more. By what percent has it come down in all? =
22. 22.A water tank holds 1300 litres. 15% of the water is used. How many litres are left?
23. 23.Find the compound interest on ₹32000 at 10% per year for 3 years, added every year (in ₹).
24. 24.A shop sells 1460 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
25. 25.A car runs for 2 hours at 58 km/h and then for 1 hour at 25 km/h. What is its average speed for the whole journey (in km/h)?
26. 26.Rohan and Aarav together finish a job in 2 days. Rohan alone takes 3 days. How many days would Aarav take alone?
27. 27.Dev can finish a job in 30 days and Kabir in 6 days. Dev works alone for 10 days and then stops. Kabir finishes the rest. How many days does Kabir take?
28. 28.The average weight of 6 children is 40 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
29. 29.A shop sells an average of 80 kg of sugar a day for 4 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
30. 30.A shopkeeper buys a cricket bat for ₹700 and sells it for ₹630. Find the loss percent.
31. 31.The simple interest on ₹20000 for 1 year is ₹1600. What is the rate of interest (% per year)?
32. 32.Manav is 9 years older than Meera. In 7 years, the sum of their ages will be 67. How old is Meera now?
33. 33.A pair of shoes is marked at ₹775. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
34. 34.Change 72 km/h into metres per second.
35. 35.The average of 7 numbers is 24. When one more number is added, the average becomes 30. What number was added?
36. 36.A water tank holds 1020 litres. 5% of the water is used. How many litres are left?
37. 37.What sum of money earns ₹276 simple interest in 1 year at 12% per year (in ₹)?
38. 38.A price goes up by 20% and then goes up by 5% more. By what percent has it gone up in all? =
39. 39.Rohan’s batting average after 15 innings is 44 runs. How many runs must Rohan score in the next innings to raise the average to 48?
40. 40.By selling a school bag for ₹475, a shopkeeper makes a profit of 25%. What did the school bag cost the shopkeeper (in ₹)?

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