Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 550 · 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.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
2. 2.A price goes up by 30% and then comes down by 20%. By what percent has it gone up in all? =
3. 3.Find the simple interest on ₹8900 at 7% per year for 4 years (in ₹).
4. 4.Find the simple interest on ₹600 at 14% per year for 2 years (in ₹).
5. 5.2 years ago, Priya’s mother was three times as old as Priya. The mother is 23 years old now. How old is Priya now?
6. 6.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
7. 7.A pressure cooker marked at ₹560 is sold for ₹476. What is the discount percent?
8. 8.A price goes up by 5% and then goes up by 5% more. By what percent has it gone up in all? =
9. 9.Arjun is 4 years older than Aarav. In 5 years, the sum of their ages will be 36. How old is Aarav now?
10. 10.Find the compound interest on ₹10400 at 5% per year for 2 years, added every year (in ₹).
11. 11.Manav can finish a job in 12 days and Rohan in 5 days. What fraction of the job do they finish if they work together for 3 days? =
12. 12.A study lamp marked at ₹4680 is sold for ₹4212. What is the discount percent?
13. 13.After a 20% discount, a table fan costs ₹3344. What was its marked price (in ₹)?
14. 14.In how many years will ₹1800 earn ₹396 as simple interest at 11% per year?
15. 15.In 4 years, Isha will be twice as old as Isha was 3 years ago. How old is Isha now?
16. 16.By selling a pressure cooker for ₹150, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
17. 17.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
18. 18.How many minutes does a car take to go 106 km at 53 km/h?
19. 19.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
20. 20.How many minutes does a car take to go 136 km at 34 km/h?
21. 21.What is the difference between the compound interest and the simple interest on ₹1600 at 5% per year for 2 years (in ₹)?
22. 22.How many minutes does a car take to go 63 km at 36 km/h?
23. 23.The simple interest on ₹3200 for 2 years is ₹896. What is the rate of interest (% per year)?
24. 24.A water tank holds 1020 litres. 5% of the water is used. How many litres are left?
25. 25.Dev can finish a job in 20 days and Priya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.In how many years will ₹19300 earn ₹2316 as simple interest at 4% per year?
27. 27.Diya puts ₹14300 in a bank at 8% simple interest per year. How much will she have after 5 years (in ₹)?
28. 28.Diya puts ₹15200 in a bank at 2% simple interest per year. How much will she have after 1 year (in ₹)?
29. 29.Kabir cycles to his school at 90 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.Vivaan can finish a job in 24 days and Aarav in 16 days. Vivaan works alone for 3 days and then stops. Aarav finishes the rest. How many days does Aarav take?
31. 31.Kabir’s batting average after 12 innings is 32 runs. How many runs must Kabir score in the next innings to raise the average to 33?
32. 32.In 6 years, Kabir will be twice as old as Kabir was 5 years ago. How old is Kabir now?
33. 33.Diya puts ₹11700 in a bank at 15% simple interest per year. How much will she have after 2 years (in ₹)?
34. 34.Diya and Sneha together finish a job in 2 days. Diya alone takes 3 days. How many days would Sneha take alone?
35. 35.Find the amount when ₹16800 is invested at 5% per year compound interest for 2 years (in ₹).
36. 36.Marks of 5 friends in a quiz: 73, 46, 53, 58, 70. What is their average mark?
37. 37.Diya’s batting average after 8 innings is 47 runs. How many runs must Diya score in the next innings to raise the average to 48?
38. 38.A pressure cooker bought for ₹1880 is sold at a loss of 5%. What is the selling price (in ₹)?
39. 39.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
40. 40.Diya and Kabir together finish a job in 6 days. Diya alone takes 7 days. How many days would Kabir take alone?

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