Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 99 · 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 simple interest on ₹9900 for 2 years is ₹2376. What is the rate of interest (% per year)?
2. 2.The average of 5 numbers is 60. When one more number is added, the average becomes 63. What number was added?
3. 3.Manav works three times as fast as Dev. Together they finish a job in 5 days. How many days would Dev take alone?
4. 4.A water tank holds 900 litres. 10% of the water is used. How many litres are left?
5. 5.Diya puts ₹16300 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
6. 6.A watch is marked at ₹3420. The shop gives a 15% discount. How much do you pay (in ₹)?
7. 7.The simple interest on ₹800 for 4 years is ₹320. What is the rate of interest (% per year)?
8. 8.Change 90 km/h into metres per second.
9. 9.The price of a school bag changes from ₹4920 to ₹4428. By what percent did it come down?
10. 10.What is the difference between the compound interest and the simple interest on ₹37600 at 5% per year for 2 years (in ₹)?
11. 11.Kabir cycles to his school at 21 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
12. 12.7 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 35 years old now. How old is Vivaan now?
13. 13.Marks of 4 friends in a quiz: 76, 87, 103, 90. What is their average mark?
14. 14.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate of interest (% per year)?
15. 15.What sum of money earns ₹1800 simple interest in 2 years at 5% per year (in ₹)?
16. 16.A table fan marked at ₹1740 is sold for ₹870. What is the discount percent?
17. 17.Find the compound interest on ₹23750 at 12% per year for 2 years, added every year (in ₹).
18. 18.Pooja works twice as fast as Tara. Together they finish a job in 8 days. How many days would Tara take alone?
19. 19.A bus runs at 60 km/h. How far does it go in 10 minutes (in km)?
20. 20.By selling a bicycle for ₹525, a shopkeeper makes a profit of 25%. What did the bicycle cost the shopkeeper (in ₹)?
21. 21.A pressure cooker is marked at ₹2360. The shop gives a 30% discount. How much do you pay (in ₹)?
22. 22.Rohan works twice as fast as Priya. Together they finish a job in 12 days. How many days would Priya take alone?
23. 23.Isha’s batting average after 10 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 41?
24. 24.After a 15% discount, a school bag costs ₹1683. What was its marked price (in ₹)?
25. 25.A pair of shoes bought for ₹120 is sold at a loss of 5%. What is the selling price (in ₹)?
26. 26.A shop sells 4200 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
27. 27.A water tank holds 1000 litres. 50% of the water is used. How many litres are left?
28. 28.Change 30 m/s into km/h.
29. 29.What is the difference between the compound interest and the simple interest on ₹34000 at 25% per year for 2 years (in ₹)?
30. 30.Find the simple interest on ₹1900 at 5% per year for 2 years (in ₹).
31. 31.By selling a study lamp for ₹1311, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
32. 32.By selling a watch for ₹756, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
33. 33.A price goes up by 10% and then goes up by 40% more. By what percent has it gone up in all? =
34. 34.A bicycle marked at ₹1320 is sold for ₹1122. What is the discount percent?
35. 35.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
36. 36.The price of a school bag changes from ₹1660 to ₹1328. By what percent did it come down?
37. 37.After a 50% discount, a table fan costs ₹1170. What was its marked price (in ₹)?
38. 38.A shopkeeper buys a watch for ₹300 and sells it for ₹225. Find the loss percent.
39. 39.After a 25% discount, a watch costs ₹945. What was its marked price (in ₹)?
40. 40.Marks of 6 friends in a quiz: 62, 54, 83, 67, 68, 80. What is their average mark?

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