Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 219 · 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.What sum of money earns ₹246 simple interest in 1 year at 3% per year (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?
3. 3.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
4. 4.A shop sells an average of 55 kg of sugar a day for 4 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
5. 5.What is the difference between the compound interest and the simple interest on ₹600 at 20% per year for 2 years (in ₹)?
6. 6.By selling a school bag for ₹195, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
7. 7.Diya’s batting average after 11 innings is 46 runs. How many runs must Diya score in the next innings to raise the average to 48?
8. 8.The simple interest on ₹6600 for 3 years is ₹792. What is the rate of interest (% per year)?
9. 9.A school bag marked at ₹660 is sold for ₹330. What is the discount percent?
10. 10.5 years ago, Farhan’s mother was three times as old as Farhan. The mother is 17 years old now. How old is Farhan now?
11. 11.A pair of shoes is marked at ₹820. The shop gives a 10% discount. How much do you pay (in ₹)?
12. 12.4 years ago, Farhan’s mother was twice as old as Farhan. The mother is 10 years old now. How old is Farhan now?
13. 13.A pressure cooker is marked at ₹1460. The shop gives a 40% discount. How much do you pay (in ₹)?
14. 14.A study lamp marked at ₹1200 is sold for ₹1140. What is the discount percent?
15. 15.By selling a pair of shoes for ₹1725, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
16. 16.A shopkeeper buys a table fan for ₹1760 and sells it for ₹1496. Find the loss percent.
17. 17.Change 5 m/s into km/h.
18. 18.The simple interest on ₹19000 for 3 years is ₹7980. What is the rate of interest (% per year)?
19. 19.Kabir’s batting average after 8 innings is 37 runs. How many runs must Kabir score in the next innings to raise the average to 38?
20. 20.Change 10 m/s into km/h.
21. 21.Karan can finish a job in 7 days and Kabir in 11 days. What fraction of the job do they finish if they work together for 2 days? =
22. 22.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
23. 23.Isha can finish a job in 5 days and Rahul in 25 days. Isha works alone for 4 days and then stops. Rahul finishes the rest. How many days does Rahul take?
24. 24.In how many years will ₹18600 earn ₹6696 as simple interest at 12% per year?
25. 25.Marks of 6 friends in a quiz: 41, 63, 58, 47, 45, 40. What is their average mark?
26. 26.A bus runs at 45 km/h. How far does it go in 20 minutes (in km)?
27. 27.In how many years will ₹4300 earn ₹774 as simple interest at 9% per year?
28. 28.A watch is marked at ₹1140. The shop gives a 15% discount. How much do you pay (in ₹)?
29. 29.A watch is marked at ₹1240. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
30. 30.What sum of money earns ₹2492 simple interest in 2 years at 14% per year (in ₹)?
31. 31.Marks of 4 friends in a quiz: 43, 33, 16, 32. What is their average mark?
32. 32.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
33. 33.Kabir cycles to his school at 80 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.Nisha’s father is four times as old as Nisha. The sum of their ages is 75 years. How old is Nisha?
35. 35.What is the difference between the compound interest and the simple interest on ₹16200 at 10% per year for 2 years (in ₹)?
36. 36.Diya puts ₹900 in a bank at 9% simple interest per year. How much will she have after 4 years (in ₹)?
37. 37.After a 25% discount, a table fan costs ₹2355. What was its marked price (in ₹)?
38. 38.Find the compound interest on ₹6975 at 20% per year for 2 years, added every year (in ₹).
39. 39.A shop sells 2740 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
40. 40.Farhan can finish a job in 18 days and Kabir in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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