Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 245 · 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 is the difference between the compound interest and the simple interest on ₹9600 at 15% per year for 2 years (in ₹)?
2. 2.What sum of money earns ₹1050 simple interest in 5 years at 14% per year (in ₹)?
3. 3.After a 25% discount, a pressure cooker costs ₹1935. What was its marked price (in ₹)?
4. 4.A price comes down by 15% and then comes down by 30% more. By what percent has it come down in all? =
5. 5.Diya puts ₹19700 in a bank at 9% simple interest per year. How much will she have after 1 year (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹20500 at 20% per year for 2 years (in ₹)?
7. 7.Arjun is 5 years older than Nisha. In 4 years, the sum of their ages will be 45. How old is Nisha now?
8. 8.By selling a watch for ₹1771, a shopkeeper makes a profit of 15%. What did the watch cost the shopkeeper (in ₹)?
9. 9.Kabir cycles to his school at 75 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.Change 72 km/h into metres per second.
11. 11.Ananya’s father is four times as old as Ananya. The sum of their ages is 40 years. How old is the father?
12. 12.Zoya works three times as fast as Arjun. Together they finish a job in 4 days. How many days would Arjun take alone?
13. 13.Kabir works twice as fast as Aarav. Together they finish a job in 2 days. How many days would Aarav take alone?
14. 14.The price of a bicycle is ₹2740. It goes up by 20%. What is the new price (in ₹)?
15. 15.Find the amount when ₹15625 is invested at 8% per year compound interest for 2 years (in ₹).
16. 16.How many minutes does a car take to go 150 km at 30 km/h?
17. 17.A pressure cooker is marked at ₹464. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
18. 18.A shopkeeper buys a table fan for ₹300 and sells it for ₹210. Find the loss percent.
19. 19.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
20. 20.The price of a bicycle is ₹320. It goes up by 20%. What is the new price (in ₹)?
21. 21.The price of a school bag changes from ₹1140 to ₹1710. By what percent did it go up?
22. 22.A study lamp bought for ₹100 is sold at a loss of 50%. What is the selling price (in ₹)?
23. 23.A shop sells an average of 43 kg of sugar a day for 2 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
24. 24.Diya’s batting average after 15 innings is 21 runs. How many runs must Diya score in the next innings to raise the average to 23?
25. 25.Zoya can finish a job in 2 days and Karan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.A water tank holds 3320 litres. 25% of the water is used. How many litres are left?
27. 27.The price of a bicycle is ₹3900. It goes up by 40%. What is the new price (in ₹)?
28. 28.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
29. 29.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
30. 30.A study lamp marked at ₹2300 is sold for ₹2070. What is the discount percent?
31. 31.The average of 8 numbers is 55. When one more number is added, the average becomes 60. What number was added?
32. 32.The price of a bicycle is ₹640. It goes up by 25%. What is the new price (in ₹)?
33. 33.The simple interest on ₹15400 for 5 years is ₹8470. What is the rate of interest (% per year)?
34. 34.After a 5% discount, a table fan costs ₹4579. What was its marked price (in ₹)?
35. 35.Change 30 m/s into km/h.
36. 36.Find the compound interest on ₹26875 at 4% per year for 2 years, added every year (in ₹).
37. 37.A pair of shoes is marked at ₹3300. The shop gives a 20% discount. How much do you pay (in ₹)?
38. 38.Pooja can finish a job in 6 days and Diya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
39. 39.A price goes up by 50% and then comes down by 20%. By what percent has it gone up in all? =
40. 40.A watch is marked at ₹1980. The shop gives a 10% discount. How much do you pay (in ₹)?

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