Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 767 · 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.Ishaan’s father is four times as old as Ishaan. The sum of their ages is 65 years. How old is the father?
2. 2.The price of a school bag changes from ₹4380 to ₹3942. By what percent did it come down?
3. 3.Nisha can finish a job in 15 days and Sneha in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
4. 4.The average of 9 numbers is 42. When one more number is added, the average becomes 48. What number was added?
5. 5.A car runs for 1 hour at 30 km/h and then for 3 hours at 66 km/h. What is its average speed for the whole journey (in km/h)?
6. 6.A study lamp bought for ₹1820 is sold at a profit of 20%. What is the selling price (in ₹)?
7. 7.After a 40% discount, a table fan costs ₹1392. What was its marked price (in ₹)?
8. 8.Isha’s father is five times as old as Isha. The sum of their ages is 54 years. How old is the father?
9. 9.Ananya’s father is twice as old as Ananya. The sum of their ages is 42 years. How old is the father?
10. 10.The price of a school bag changes from ₹920 to ₹1150. By what percent did it go up?
11. 11.What sum of money earns ₹2418 simple interest in 3 years at 13% per year (in ₹)?
12. 12.In how many years will ₹3100 earn ₹372 as simple interest at 12% per year?
13. 13.Find the compound interest on ₹46400 at 15% per year for 2 years, added every year (in ₹).
14. 14.A bus runs at 54 km/h. How far does it go in 20 minutes (in km)?
15. 15.By selling a cricket bat for ₹360, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
16. 16.Marks of 5 friends in a quiz: 88, 84, 71, 62, 65. What is their average mark?
17. 17.What sum of money earns ₹1872 simple interest in 2 years at 12% per year (in ₹)?
18. 18.Change 10 m/s into km/h.
19. 19.By selling a pair of shoes for ₹546, a shopkeeper makes a profit of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
20. 20.A water tank holds 4180 litres. 10% of the water is used. How many litres are left?
21. 21.What is the difference between the compound interest and the simple interest on ₹3600 at 25% per year for 2 years (in ₹)?
22. 22.Meera is 5 years older than Nisha. In 4 years, the sum of their ages will be 63. How old is Nisha now?
23. 23.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
24. 24.A price comes down by 30% and then comes down by 50% more. By what percent has it come down in all? =
25. 25.A shop sells an average of 45 kg of sugar a day for 4 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
26. 26.A shop sells 1540 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
27. 27.The average of 4 numbers is 39. When one more number is added, the average becomes 41. What number was added?
28. 28.Change 90 km/h into metres per second.
29. 29.By selling a table fan for ₹990, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
30. 30.By selling a school bag for ₹1463, a shopkeeper makes a loss of 5%. What did the school bag cost the shopkeeper (in ₹)?
31. 31.A bicycle is marked at ₹5000. The shop gives a 20% discount. How much do you pay (in ₹)?
32. 32.Marks of 4 friends in a quiz: 28, 49, 47, 40. What is their average mark?
33. 33.The price of a school bag changes from ₹4420 to ₹3757. By what percent did it come down?
34. 34.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
35. 35.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
36. 36.A shopkeeper buys a watch for ₹80 and sells it for ₹96. Find the profit percent.
37. 37.A shop sells an average of 55 kg of sugar a day for 6 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
38. 38.The price of a school bag changes from ₹1840 to ₹2024. By what percent did it go up?
39. 39.A water tank holds 3020 litres. 20% of the water is used. How many litres are left?
40. 40.Kabir cycles to his school at 42 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?

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