Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 263 · 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.The average weight of 5 children is 39 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
2. 2.Find the amount when ₹37488 is invested at 25% per year compound interest for 2 years (in ₹).
3. 3.Find the amount when ₹20500 is invested at 10% per year compound interest for 2 years (in ₹).
4. 4.4 years ago, Kabir’s mother was four times as old as Kabir. The mother is 52 years old now. How old is Kabir now?
5. 5.In how many years will ₹14800 earn ₹2368 as simple interest at 4% per year?
6. 6.A shop sells an average of 39 kg of sugar a day for 4 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
7. 7.Karan’s batting average after 14 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 27?
8. 8.Rohan’s father is four times as old as Rohan. The sum of their ages is 40 years. How old is Rohan?
9. 9.Sneha and Ishaan together finish a job in 2 days. Sneha alone takes 4 days. How many days would Ishaan take alone?
10. 10.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
11. 11.A shop sells an average of 68 kg of sugar a day for 3 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
12. 12.A pair of shoes is marked at ₹2120. The shop gives a 20% discount. How much do you pay (in ₹)?
13. 13.Change 108 km/h into metres per second.
14. 14.By selling a cricket bat for ₹1224, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
15. 15.By selling a cricket bat for ₹1920, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
16. 16.A shopkeeper buys a watch for ₹1720 and sells it for ₹2064. Find the profit percent.
17. 17.What is the difference between the compound interest and the simple interest on ₹31700 at 10% per year for 2 years (in ₹)?
18. 18.Find the compound interest on ₹48000 at 5% per year for 3 years, added every year (in ₹).
19. 19.A shopkeeper buys a table fan for ₹980 and sells it for ₹1127. Find the profit percent.
20. 20.Saanvi’s batting average after 7 innings is 22 runs. How many runs must Saanvi score in the next innings to raise the average to 23?
21. 21.A water tank holds 1460 litres. 5% of the water is used. How many litres are left?
22. 22.Change 18 km/h into metres per second.
23. 23.Meera’s batting average after 6 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 34?
24. 24.A school bag marked at ₹1940 is sold for ₹1455. What is the discount percent?
25. 25.A cricket bat marked at ₹1060 is sold for ₹636. What is the discount percent?
26. 26.Pooja is 9 years older than Kavya. In 10 years, the sum of their ages will be 85. How old is Kavya now?
27. 27.Change 90 km/h into metres per second.
28. 28.By selling a table fan for ₹1659, a shopkeeper makes a profit of 5%. What did the table fan cost the shopkeeper (in ₹)?
29. 29.A pair of shoes bought for ₹740 is sold at a loss of 25%. What is the selling price (in ₹)?
30. 30.A cricket bat marked at ₹1600 is sold for ₹1360. What is the discount percent?
31. 31.The price of a bicycle is ₹1860. It goes up by 50%. What is the new price (in ₹)?
32. 32.Find the simple interest on ₹7700 at 2% per year for 1 year (in ₹).
33. 33.A water tank holds 1420 litres. 50% of the water is used. How many litres are left?
34. 34.A shop sells 500 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
35. 35.Find the compound interest on ₹44500 at 20% per year for 3 years, added every year (in ₹).
36. 36.Ananya works twice as fast as Rohan. Together they finish a job in 4 days. How many days would Rohan take alone?
37. 37.By selling a school bag for ₹150, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
38. 38.A price comes down by 5% and then comes down by 40% more. By what percent has it come down in all? =
39. 39.How many minutes does a car take to go 105 km at 70 km/h?
40. 40.A table fan marked at ₹580 is sold for ₹551. What is the discount percent?

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