Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 950 · 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.By selling a pair of shoes for ₹1150, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
2. 2.The average of 9 numbers is 38. When one more number is added, the average becomes 43. What number was added?
3. 3.Find the simple interest on ₹2800 at 4% per year for 3 years (in ₹).
4. 4.Diya puts ₹19900 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
5. 5.After a 20% discount, a study lamp costs ₹96. What was its marked price (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
7. 7.A shopkeeper buys a watch for ₹160 and sells it for ₹112. Find the loss percent.
8. 8.The price of a bicycle is ₹1040. It goes up by 50%. What is the new price (in ₹)?
9. 9.By selling a study lamp for ₹1386, a shopkeeper makes a loss of 30%. What did the study lamp cost the shopkeeper (in ₹)?
10. 10.Pooja’s batting average after 5 innings is 44 runs. How many runs must Pooja score in the next innings to raise the average to 46?
11. 11.The average of 9 numbers is 51. When one more number is added, the average becomes 52. What number was added?
12. 12.A shop sells an average of 54 kg of sugar a day for 5 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
13. 13.A bicycle is marked at ₹700. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
14. 14.A water tank holds 2600 litres. 15% of the water is used. How many litres are left?
15. 15.What sum of money earns ₹240 simple interest in 3 years at 8% per year (in ₹)?
16. 16.Isha is 10 years older than Arjun. In 3 years, the sum of their ages will be 48. How old is Arjun now?
17. 17.Change 35 m/s into km/h.
18. 18.Find the compound interest on ₹6016 at 25% per year for 3 years, added every year (in ₹).
19. 19.Find the simple interest on ₹19600 at 2% per year for 2 years (in ₹).
20. 20.By selling a pair of shoes for ₹2037, a shopkeeper makes a profit of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
21. 21.A pair of shoes bought for ₹1380 is sold at a profit of 15%. What is the selling price (in ₹)?
22. 22.In how many years will ₹7900 earn ₹316 as simple interest at 2% per year?
23. 23.4 years ago, Meera’s mother was three times as old as Meera. The mother is 31 years old now. How old is Meera now?
24. 24.A cricket bat marked at ₹3200 is sold for ₹2880. What is the discount percent?
25. 25.A car runs for 4 hours at 20 km/h and then for 2 hours at 65 km/h. What is its average speed for the whole journey (in km/h)?
26. 26.Tara can finish a job in 10 days and Priya in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.Marks of 6 friends in a quiz: 86, 63, 72, 63, 88, 90. What is their average mark?
28. 28.2 years ago, Farhan’s mother was four times as old as Farhan. The mother is 18 years old now. How old is Farhan now?
29. 29.A water tank holds 1020 litres. 15% of the water is used. How many litres are left?
30. 30.A pair of shoes is marked at ₹860. The shop gives a 30% discount. How much do you pay (in ₹)?
31. 31.What sum of money earns ₹1176 simple interest in 1 year at 14% per year (in ₹)?
32. 32.Find the simple interest on ₹2500 at 10% per year for 2 years (in ₹).
33. 33.A shop sells an average of 73 kg of sugar a day for 2 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
34. 34.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
35. 35.Vivaan can finish a job in 8 days and Sneha in 24 days. Vivaan works alone for 1 day and then stops. Sneha finishes the rest. How many days does Sneha take?
36. 36.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
37. 37.A shop sells 560 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
38. 38.The simple interest on ₹6300 for 3 years is ₹756. What is the rate of interest (% per year)?
39. 39.What sum of money earns ₹3432 simple interest in 2 years at 12% per year (in ₹)?
40. 40.Kabir’s father is five times as old as Kabir. The sum of their ages is 66 years. How old is the father?

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