Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 93 · 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.Find the amount when ₹11675 is invested at 20% per year compound interest for 2 years (in ₹).
2. 2.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
3. 3.Change 40 m/s into km/h.
4. 4.The simple interest on ₹18700 for 1 year is ₹561. What is the rate of interest (% per year)?
5. 5.Farhan can finish a job in 15 days and Sneha in 6 days. What fraction of the job do they finish if they work together for 1 day? =
6. 6.A cricket bat bought for ₹1360 is sold at a loss of 5%. What is the selling price (in ₹)?
7. 7.Change 72 km/h into metres per second.
8. 8.A shopkeeper buys a pressure cooker for ₹500 and sells it for ₹525. Find the profit percent.
9. 9.The price of a school bag changes from ₹2580 to ₹2193. By what percent did it come down?
10. 10.Find the amount when ₹31875 is invested at 4% per year compound interest for 2 years (in ₹).
11. 11.In how many years will ₹1700 earn ₹255 as simple interest at 5% per year?
12. 12.A school bag is marked at ₹1000. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
13. 13.Change 18 km/h into metres per second.
14. 14.A watch marked at ₹2100 is sold for ₹1785. What is the discount percent?
15. 15.Rohan is 8 years older than Karan. In 3 years, the sum of their ages will be 30. How old is Karan now?
16. 16.The average weight of 5 children is 40 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
17. 17.4 years ago, Farhan’s mother was four times as old as Farhan. The mother is 40 years old now. How old is Farhan now?
18. 18.A shop sells 1440 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
19. 19.A price goes up by 15% and then comes down by 10%. By what percent has it gone up in all? =
20. 20.A pair of shoes is marked at ₹760. The shop gives a 5% discount. How much do you pay (in ₹)?
21. 21.9 years ago, Nisha’s mother was three times as old as Nisha. The mother is 33 years old now. How old is Nisha now?
22. 22.Rahul can finish a job in 14 days and Rohan in 5 days. What fraction of the job do they finish if they work together for 1 day? =
23. 23.A watch is marked at ₹720. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
24. 24.By selling a school bag for ₹910, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
25. 25.Find the simple interest on ₹11600 at 2% per year for 5 years (in ₹).
26. 26.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
27. 27.A price goes up by 10% and then goes up by 10% more. By what percent has it gone up in all? =
28. 28.A bicycle is marked at ₹1125. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
29. 29.Ananya works twice as fast as Sneha. Together they finish a job in 6 days. How many days would Sneha take alone?
30. 30.A shopkeeper buys a pair of shoes for ₹980 and sells it for ₹882. Find the loss percent.
31. 31.A shopkeeper buys a cricket bat for ₹1060 and sells it for ₹742. Find the loss percent.
32. 32.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
33. 33.Rohan’s batting average after 6 innings is 36 runs. How many runs must Rohan score in the next innings to raise the average to 39?
34. 34.Find the simple interest on ₹6800 at 6% per year for 1 year (in ₹).
35. 35.In 3 years, Ishaan will be three times as old as Ishaan was 5 years ago. How old is Ishaan now?
36. 36.Change 36 km/h into metres per second.
37. 37.Rahul is 4 years older than Aditya. In 9 years, the sum of their ages will be 60. How old is Aditya now?
38. 38.Dev and Manav together finish a job in 12 days. Dev alone takes 28 days. How many days would Manav take alone?
39. 39.What sum of money earns ₹2520 simple interest in 2 years at 15% per year (in ₹)?
40. 40.A study lamp bought for ₹740 is sold at a loss of 25%. What is the selling price (in ₹)?

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