Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 40 · 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 study lamp bought for ₹1360 is sold at a loss of 15%. What is the selling price (in ₹)?
2. 2.A pressure cooker marked at ₹1340 is sold for ₹804. What is the discount percent?
3. 3.A bus runs at 32 km/h. How far does it go in 45 minutes (in km)?
4. 4.Diya puts ₹1500 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
5. 5.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
6. 6.10 years ago, Dev’s mother was twice as old as Dev. The mother is 32 years old now. How old is Dev now?
7. 7.Priya can finish a job in 17 days and Isha in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
8. 8.What is the difference between the compound interest and the simple interest on ₹20400 at 15% per year for 2 years (in ₹)?
9. 9.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
10. 10.A water tank holds 60 litres. 25% of the water is used. How many litres are left?
11. 11.Ananya can finish a job in 7 days and Arjun in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
12. 12.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
13. 13.Change 36 km/h into metres per second.
14. 14.A price goes up by 50% and then goes up by 40% more. By what percent has it gone up in all? =
15. 15.The price of a bicycle is ₹1520. It goes up by 15%. What is the new price (in ₹)?
16. 16.A shop sells an average of 31 kg of sugar a day for 4 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
17. 17.A cricket bat bought for ₹380 is sold at a loss of 30%. What is the selling price (in ₹)?
18. 18.By selling a watch for ₹1479, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
19. 19.Kabir cycles to his school at 90 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.A cricket bat marked at ₹2280 is sold for ₹2166. What is the discount percent?
21. 21.A bicycle bought for ₹1900 is sold at a loss of 40%. What is the selling price (in ₹)?
22. 22.A study lamp is marked at ₹900. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
23. 23.A town has 1820 people. Its population grows by 10%. How many people live there now?
24. 24.A bus runs at 20 km/h. How far does it go in 30 minutes (in km)?
25. 25.A table fan marked at ₹3380 is sold for ₹2366. What is the discount percent?
26. 26.Find the amount when ₹12500 is invested at 8% per year compound interest for 2 years (in ₹).
27. 27.Tara can finish a job in 5 days and Isha in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
28. 28.The average of 9 numbers is 54. When one more number is added, the average becomes 60. What number was added?
29. 29.A price comes down by 10% and then comes down by 20% more. By what percent has it come down in all? =
30. 30.A bus runs at 76 km/h. How far does it go in 90 minutes (in km)?
31. 31.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
32. 32.Tara’s father is five times as old as Tara. The sum of their ages is 90 years. How old is Tara?
33. 33.A shopkeeper buys a pair of shoes for ₹1820 and sells it for ₹1729. Find the loss percent.
34. 34.Vivaan’s batting average after 14 innings is 27 runs. How many runs must Vivaan score in the next innings to raise the average to 28?
35. 35.A bus runs at 75 km/h. How far does it go in 20 minutes (in km)?
36. 36.A shop sells 3940 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
37. 37.A water tank holds 4360 litres. 10% of the water is used. How many litres are left?
38. 38.By selling a cricket bat for ₹224, a shopkeeper makes a loss of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
39. 39.The price of a school bag changes from ₹2200 to ₹1870. By what percent did it come down?
40. 40.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =

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