Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 73 · 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.Change 35 m/s into km/h.
2. 2.Find the compound interest on ₹25300 at 10% per year for 2 years, added every year (in ₹).
3. 3.Diya puts ₹14500 in a bank at 3% simple interest per year. How much will she have after 3 years (in ₹)?
4. 4.A bicycle marked at ₹1380 is sold for ₹828. What is the discount percent?
5. 5.Diya puts ₹4900 in a bank at 10% simple interest per year. How much will she have after 2 years (in ₹)?
6. 6.Find the compound interest on ₹40720 at 25% per year for 2 years, added every year (in ₹).
7. 7.A shop sells 640 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
8. 8.What sum of money earns ₹6402 simple interest in 3 years at 11% per year (in ₹)?
9. 9.A shopkeeper buys a pair of shoes for ₹1300 and sells it for ₹1560. Find the profit percent.
10. 10.Rahul’s batting average after 14 innings is 46 runs. How many runs must Rahul score in the next innings to raise the average to 50?
11. 11.In 23 years, Aarav will be twice as old as Aarav was 2 years ago. How old is Aarav now?
12. 12.Arjun’s father is five times as old as Arjun. The sum of their ages is 66 years. How old is Arjun?
13. 13.Change 10 m/s into km/h.
14. 14.Dev is 5 years older than Tara. In 6 years, the sum of their ages will be 31. How old is Tara now?
15. 15.Rohan is 3 years older than Ananya. In 2 years, the sum of their ages will be 37. How old is Ananya now?
16. 16.A bicycle is marked at ₹2340. The shop gives a 40% discount. How much do you pay (in ₹)?
17. 17.Diya puts ₹8500 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
18. 18.By selling a watch for ₹2093, a shopkeeper makes a profit of 15%. What did the watch cost the shopkeeper (in ₹)?
19. 19.A bus runs at 21 km/h. How far does it go in 20 minutes (in km)?
20. 20.Diya puts ₹1900 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?
21. 21.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
22. 22.Rahul can finish a job in 7 days and Ananya in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.A shop sells an average of 54 kg of sugar a day for 2 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
24. 24.The price of a school bag changes from ₹2880 to ₹3168. By what percent did it go up?
25. 25.Change 54 km/h into metres per second.
26. 26.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
27. 27.By selling a study lamp for ₹1764, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
28. 28.By selling a cricket bat for ₹105, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
29. 29.Diya can finish a job in 15 days and Zoya in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.Meera works twice as fast as Rohan. Together they finish a job in 11 days. How many days would Rohan take alone?
31. 31.A cricket bat is marked at ₹465. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
32. 32.A pair of shoes marked at ₹1920 is sold for ₹1632. What is the discount percent?
33. 33.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
34. 34.A price goes up by 30% and then goes up by 5% more. By what percent has it gone up in all? =
35. 35.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
36. 36.3 years ago, Diya’s mother was four times as old as Diya. The mother is 39 years old now. How old is Diya now?
37. 37.A price goes up by 50% and then comes down by 30%. By what percent has it gone up in all? =
38. 38.By selling a cricket bat for ₹2496, a shopkeeper makes a profit of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
39. 39.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
40. 40.Diya puts ₹600 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?

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