Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 329 · 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.A watch is marked at ₹512. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
2. 2.A pressure cooker marked at ₹1200 is sold for ₹1140. What is the discount percent?
3. 3.5 years ago, Karan’s mother was four times as old as Karan. The mother is 53 years old now. How old is Karan now?
4. 4.What sum of money earns ₹750 simple interest in 5 years at 6% per year (in ₹)?
5. 5.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
6. 6.Nisha can finish a job in 6 days and Isha in 18 days. Nisha works alone for 3 days and then stops. Isha finishes the rest. How many days does Isha take?
7. 7.In how many years will ₹9900 earn ₹3960 as simple interest at 8% per year?
8. 8.Marks of 4 friends in a quiz: 29, 20, 35, 20. What is their average mark?
9. 9.Change 36 km/h into metres per second.
10. 10.A school bag is marked at ₹600. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
11. 11.By selling a pressure cooker for ₹1620, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
12. 12.Find the simple interest on ₹10500 at 2% per year for 2 years (in ₹).
13. 13.Rahul can finish a job in 7 days and Ishaan in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.A table fan is marked at ₹4800. The shop gives a 50% discount. How much do you pay (in ₹)?
15. 15.By selling a pair of shoes for ₹943, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
16. 16.Diya puts ₹14900 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
17. 17.Find the amount when ₹5200 is invested at 10% per year compound interest for 2 years (in ₹).
18. 18.By selling a study lamp for ₹450, a shopkeeper makes a profit of 50%. What did the study lamp cost the shopkeeper (in ₹)?
19. 19.Change 18 km/h into metres per second.
20. 20.Change 10 m/s into km/h.
21. 21.By selling a cricket bat for ₹1204, a shopkeeper makes a loss of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
22. 22.Kabir is 2 years older than Pooja. In 8 years, the sum of their ages will be 36. How old is Pooja now?
23. 23.The price of a school bag changes from ₹1580 to ₹2054. By what percent did it go up?
24. 24.A car runs for 1 hour at 54 km/h and then for 2 hours at 24 km/h. What is its average speed for the whole journey (in km/h)?
25. 25.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
26. 26.Kavya can finish a job in 19 days and Saanvi in 10 days. What fraction of the job do they finish if they work together for 3 days? =
27. 27.A price goes up by 25% and then goes up by 50% more. By what percent has it gone up in all? =
28. 28.Kavya works twice as fast as Dev. Together they finish a job in 9 days. How many days would Dev take alone?
29. 29.What is the difference between the compound interest and the simple interest on ₹43700 at 20% per year for 2 years (in ₹)?
30. 30.A town has 2140 people. Its population grows by 20%. How many people live there now?
31. 31.What is the difference between the compound interest and the simple interest on ₹24800 at 5% per year for 2 years (in ₹)?
32. 32.After a 40% discount, a pair of shoes costs ₹84. What was its marked price (in ₹)?
33. 33.In 3 years, Aarav will be three times as old as Aarav was 5 years ago. How old is Aarav now?
34. 34.Find the amount when ₹42592 is invested at 25% per year compound interest for 2 years (in ₹).
35. 35.9 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 27 years old now. How old is Ishaan now?
36. 36.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
37. 37.Farhan can finish a job in 11 days and Diya in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.A bus runs at 24 km/h. How far does it go in 30 minutes (in km)?
39. 39.A bus runs at 90 km/h. How far does it go in 30 minutes (in km)?
40. 40.Find the simple interest on ₹10000 at 11% per year for 4 years (in ₹).

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