Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 64 · 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.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
2. 2.The average of 9 numbers is 54. When one more number is added, the average becomes 58. What number was added?
3. 3.In 16 years, Farhan will be twice as old as Farhan was 5 years ago. How old is Farhan now?
4. 4.What sum of money earns ₹800 simple interest in 5 years at 10% per year (in ₹)?
5. 5.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
6. 6.The simple interest on ₹6300 for 2 years is ₹252. What is the rate of interest (% per year)?
7. 7.Vivaan’s batting average after 5 innings is 29 runs. How many runs must Vivaan score in the next innings to raise the average to 30?
8. 8.The simple interest on ₹15400 for 3 years is ₹1386. What is the rate of interest (% per year)?
9. 9.The price of a school bag changes from ₹3400 to ₹2380. By what percent did it come down?
10. 10.A shopkeeper buys a pressure cooker for ₹440 and sells it for ₹484. Find the profit percent.
11. 11.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
12. 12.By selling a school bag for ₹1520, a shopkeeper makes a loss of 5%. What did the school bag cost the shopkeeper (in ₹)?
13. 13.A bus runs at 76 km/h. How far does it go in 45 minutes (in km)?
14. 14.By selling a school bag for ₹1300, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹30800 at 5% per year for 2 years (in ₹)?
16. 16.Find the simple interest on ₹10500 at 7% per year for 1 year (in ₹).
17. 17.The price of a school bag changes from ₹3560 to ₹5340. By what percent did it go up?
18. 18.By selling a school bag for ₹598, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
19. 19.Rohan’s father is three times as old as Rohan. The sum of their ages is 36 years. How old is Rohan?
20. 20.A watch marked at ₹3660 is sold for ₹3477. What is the discount percent?
21. 21.The average of 9 numbers is 24. When one more number is added, the average becomes 25. What number was added?
22. 22.In how many years will ₹7100 earn ₹1988 as simple interest at 14% per year?
23. 23.Ishaan’s father is four times as old as Ishaan. The sum of their ages is 65 years. How old is the father?
24. 24.A shop sells an average of 76 kg of sugar a day for 3 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
25. 25.The price of a school bag changes from ₹4620 to ₹6006. By what percent did it go up?
26. 26.A price comes down by 5% and then comes down by 10% more. By what percent has it come down in all? =
27. 27.Isha and Arjun together finish a job in 4 days. Isha alone takes 12 days. How many days would Arjun take alone?
28. 28.Sneha and Diya together finish a job in 3 days. Sneha alone takes 4 days. How many days would Diya take alone?
29. 29.Diya puts ₹17500 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
30. 30.A school bag bought for ₹420 is sold at a loss of 10%. What is the selling price (in ₹)?
31. 31.In how many years will ₹7300 earn ₹803 as simple interest at 11% per year?
32. 32.A car runs for 2 hours at 27 km/h and then for 1 hour at 30 km/h. What is its average speed for the whole journey (in km/h)?
33. 33.The average of 5 numbers is 28. When one more number is added, the average becomes 32. What number was added?
34. 34.A watch bought for ₹720 is sold at a profit of 20%. What is the selling price (in ₹)?
35. 35.In 20 years, Isha will be twice as old as Isha was 2 years ago. How old is Isha now?
36. 36.Find the amount when ₹1216 is invested at 25% per year compound interest for 3 years (in ₹).
37. 37.Kabir cycles to his school at 72 km/h and comes back by the same road at 36 km/h. What is his average speed for the whole trip (in km/h)?
38. 38.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
39. 39.By selling a table fan for ₹522, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
40. 40.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?

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