Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 387 · 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 shopkeeper buys a cricket bat for ₹160 and sells it for ₹112. Find the loss percent.
2. 2.Change 108 km/h into metres per second.
3. 3.A pressure cooker is marked at ₹280. The shop gives a 10% discount. How much do you pay (in ₹)?
4. 4.After a 5% discount, a school bag costs ₹2147. What was its marked price (in ₹)?
5. 5.A water tank holds 1600 litres. 30% of the water is used. How many litres are left?
6. 6.The simple interest on ₹4800 for 1 year is ₹144. What is the rate of interest (% per year)?
7. 7.The simple interest on ₹17400 for 3 years is ₹6786. What is the rate of interest (% per year)?
8. 8.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
9. 9.Find the compound interest on ₹32000 at 15% per year for 3 years, added every year (in ₹).
10. 10.Ishaan works twice as fast as Isha. Together they finish a job in 11 days. How many days would Isha take alone?
11. 11.What is the difference between the compound interest and the simple interest on ₹7900 at 20% per year for 2 years (in ₹)?
12. 12.A shopkeeper buys a watch for ₹1780 and sells it for ₹890. Find the loss percent.
13. 13.A price goes up by 20% and then comes down by 15%. By what percent has it gone up in all? =
14. 14.What sum of money earns ₹3120 simple interest in 2 years at 12% per year (in ₹)?
15. 15.A pair of shoes bought for ₹1480 is sold at a profit of 30%. What is the selling price (in ₹)?
16. 16.By selling a school bag for ₹966, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
17. 17.A price comes down by 5% and then comes down by 25% more. By what percent has it come down in all? =
18. 18.A bus runs at 62 km/h. How far does it go in 30 minutes (in km)?
19. 19.After a 5% discount, a cricket bat costs ₹133. What was its marked price (in ₹)?
20. 20.Diya’s father is three times as old as Diya. The sum of their ages is 28 years. How old is Diya?
21. 21.Change 5 m/s into km/h.
22. 22.A shop sells an average of 33 kg of sugar a day for 4 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
23. 23.Find the compound interest on ₹8576 at 25% per year for 3 years, added every year (in ₹).
24. 24.A price comes down by 5% and then comes down by 50% more. By what percent has it come down in all? =
25. 25.Find the simple interest on ₹17000 at 2% per year for 5 years (in ₹).
26. 26.In 1 years, Kabir will be twice as old as Kabir was 6 years ago. How old is Kabir now?
27. 27.Rahul can finish a job in 6 days and Kabir in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
28. 28.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
29. 29.Find the simple interest on ₹8300 at 3% per year for 5 years (in ₹).
30. 30.In 18 years, Rahul will be twice as old as Rahul was 2 years ago. How old is Rahul now?
31. 31.A table fan is marked at ₹940. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
32. 32.Marks of 4 friends in a quiz: 71, 85, 80, 84. What is their average mark?
33. 33.The average of 5 numbers is 21. When one more number is added, the average becomes 23. What number was added?
34. 34.Change 54 km/h into metres per second.
35. 35.Ananya works three times as fast as Pooja. Together they finish a job in 4 days. How many days would Pooja take alone?
36. 36.In how many years will ₹17500 earn ₹2625 as simple interest at 3% per year?
37. 37.The simple interest on ₹14600 for 5 years is ₹2920. What is the rate of interest (% per year)?
38. 38.What is the difference between the compound interest and the simple interest on ₹32000 at 20% per year for 2 years (in ₹)?
39. 39.A pair of shoes is marked at ₹580. The shop gives a 30% discount. How much do you pay (in ₹)?
40. 40.Isha can finish a job in 7 days and Dev in 21 days. Isha works alone for 3 days and then stops. Dev finishes the rest. How many days does Dev take?

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