Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 816 · 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.A water tank holds 1180 litres. 50% of the water is used. How many litres are left?
2. 2.Aarav works three times as fast as Tara. Together they finish a job in 5 days. How many days would Tara take alone?
3. 3.A bicycle is marked at ₹1375. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
4. 4.Find the compound interest on ₹18800 at 15% per year for 2 years, added every year (in ₹).
5. 5.By selling a pressure cooker for ₹2880, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
6. 6.A shop sells an average of 22 kg of sugar a day for 5 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
7. 7.Marks of 5 friends in a quiz: 34, 21, 26, 9, 30. What is their average mark?
8. 8.A shop sells an average of 64 kg of sugar a day for 4 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
9. 9.Find the simple interest on ₹19500 at 12% per year for 1 year (in ₹).
10. 10.The price of a school bag changes from ₹4320 to ₹4104. By what percent did it come down?
11. 11.What is the difference between the compound interest and the simple interest on ₹11200 at 10% per year for 2 years (in ₹)?
12. 12.The average of 5 numbers is 37. When one more number is added, the average becomes 39. What number was added?
13. 13.A shopkeeper buys a cricket bat for ₹820 and sells it for ₹984. Find the profit percent.
14. 14.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
15. 15.Find the simple interest on ₹1800 at 10% per year for 2 years (in ₹).
16. 16.A water tank holds 2080 litres. 10% of the water is used. How many litres are left?
17. 17.Rahul’s batting average after 5 innings is 47 runs. How many runs must Rahul score in the next innings to raise the average to 48?
18. 18.Meera can finish a job in 6 days and Sneha in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.Change 15 m/s into km/h.
20. 20.Kabir’s batting average after 8 innings is 49 runs. How many runs must Kabir score in the next innings to raise the average to 53?
21. 21.Diya puts ₹5400 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
22. 22.In 24 years, Kabir will be twice as old as Kabir was 3 years ago. How old is Kabir now?
23. 23.A shop sells an average of 74 kg of sugar a day for 2 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
24. 24.A water tank holds 4060 litres. 5% of the water is used. How many litres are left?
25. 25.Karan’s father is four times as old as Karan. The sum of their ages is 75 years. How old is Karan?
26. 26.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
27. 27.A water tank holds 2480 litres. 20% of the water is used. How many litres are left?
28. 28.Meera works twice as fast as Kavya. Together they finish a job in 3 days. How many days would Kavya take alone?
29. 29.A watch is marked at ₹1120. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
30. 30.Meera can finish a job in 5 days and Sneha in 18 days. What fraction of the job do they finish if they work together for 2 days? =
31. 31.4 years ago, Rohan’s mother was three times as old as Rohan. The mother is 22 years old now. How old is Rohan now?
32. 32.Rohan works twice as fast as Aarav. Together they finish a job in 10 days. How many days would Aarav take alone?
33. 33.By selling a watch for ₹2240, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
34. 34.Find the amount when ₹14000 is invested at 20% per year compound interest for 3 years (in ₹).
35. 35.A shop sells 1480 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
36. 36.A pressure cooker bought for ₹1020 is sold at a loss of 25%. What is the selling price (in ₹)?
37. 37.After a 15% discount, a pair of shoes costs ₹1445. What was its marked price (in ₹)?
38. 38.By selling a school bag for ₹1628, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
39. 39.3 years ago, Diya’s mother was twice as old as Diya. The mother is 15 years old now. How old is Diya now?
40. 40.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?

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