Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 124 · 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.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
2. 2.A price goes up by 30% and then goes up by 5% more. By what percent has it gone up in all? =
3. 3.By selling a school bag for ₹444, a shopkeeper makes a loss of 40%. What did the school bag cost the shopkeeper (in ₹)?
4. 4.By selling a bicycle for ₹800, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
5. 5.The simple interest on ₹20000 for 2 years is ₹5200. What is the rate of interest (% per year)?
6. 6.Diya puts ₹3300 in a bank at 6% simple interest per year. How much will she have after 3 years (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
8. 8.10 years ago, Aarav’s mother was four times as old as Aarav. The mother is 34 years old now. How old is Aarav now?
9. 9.A pair of shoes marked at ₹4320 is sold for ₹2160. What is the discount percent?
10. 10.A watch marked at ₹960 is sold for ₹768. What is the discount percent?
11. 11.Diya puts ₹19600 in a bank at 2% simple interest per year. How much will she have after 3 years (in ₹)?
12. 12.The price of a school bag changes from ₹1240 to ₹992. By what percent did it come down?
13. 13.A town has 3360 people. Its population grows by 30%. How many people live there now?
14. 14.The price of a school bag changes from ₹1040 to ₹832. By what percent did it come down?
15. 15.After a 30% discount, a pressure cooker costs ₹2982. What was its marked price (in ₹)?
16. 16.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
17. 17.The simple interest on ₹19900 for 2 years is ₹4776. What is the rate of interest (% per year)?
18. 18.A car runs for 4 hours at 54 km/h and then for 3 hours at 26 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.Find the compound interest on ₹45625 at 8% per year for 2 years, added every year (in ₹).
20. 20.Change 15 m/s into km/h.
21. 21.Rohan is 10 years older than Dev. In 10 years, the sum of their ages will be 42. How old is Dev now?
22. 22.Sneha is 3 years older than Vivaan. In 10 years, the sum of their ages will be 35. How old is Vivaan now?
23. 23.A bus runs at 30 km/h. How far does it go in 30 minutes (in km)?
24. 24.A bus runs at 90 km/h. How far does it go in 30 minutes (in km)?
25. 25.Ananya’s father is four times as old as Ananya. The sum of their ages is 40 years. How old is Ananya?
26. 26.A study lamp is marked at ₹1140. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
27. 27.The simple interest on ₹18100 for 1 year is ₹1267. What is the rate of interest (% per year)?
28. 28.A town has 1960 people. Its population grows by 30%. How many people live there now?
29. 29.By selling a study lamp for ₹1683, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
30. 30.Kavya can finish a job in 18 days and Ananya in 12 days. Kavya works alone for 9 days and then stops. Ananya finishes the rest. How many days does Ananya take?
31. 31.A shop sells an average of 74 kg of sugar a day for 3 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
32. 32.How many minutes does a car take to go 132 km at 44 km/h?
33. 33.Marks of 4 friends in a quiz: 26, 32, 51, 55. What is their average mark?
34. 34.Saanvi’s batting average after 13 innings is 37 runs. How many runs must Saanvi score in the next innings to raise the average to 39?
35. 35.Kavya can finish a job in 9 days and Ishaan in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.The simple interest on ₹9400 for 4 years is ₹3008. What is the rate of interest (% per year)?
37. 37.By selling a pressure cooker for ₹1008, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
38. 38.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
39. 39.The price of a school bag changes from ₹4420 to ₹3315. By what percent did it come down?
40. 40.Marks of 6 friends in a quiz: 33, 51, 38, 55, 34, 41. What is their average mark?

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