Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 736 · 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 compound interest on ₹24000 at 15% per year for 3 years, added every year (in ₹).
2. 2.2 years ago, Diya’s mother was three times as old as Diya. The mother is 29 years old now. How old is Diya now?
3. 3.A car runs for 1 hour at 21 km/h and then for 3 hours at 25 km/h. What is its average speed for the whole journey (in km/h)?
4. 4.A price goes up by 50% and then comes down by 10%. By what percent has it gone up in all? =
5. 5.By selling a table fan for ₹228, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
6. 6.A car runs for 3 hours at 52 km/h and then for 3 hours at 70 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.A bicycle bought for ₹240 is sold at a profit of 30%. What is the selling price (in ₹)?
8. 8.A pair of shoes is marked at ₹1480. The shop gives a 50% discount. How much do you pay (in ₹)?
9. 9.A shop sells an average of 21 kg of sugar a day for 3 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
10. 10.Find the amount when ₹16000 is invested at 15% per year compound interest for 3 years (in ₹).
11. 11.The average weight of 7 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
12. 12.The average of 5 numbers is 40. When one more number is added, the average becomes 45. What number was added?
13. 13.Change 10 m/s into km/h.
14. 14.Dev’s batting average after 12 innings is 48 runs. How many runs must Dev score in the next innings to raise the average to 51?
15. 15.2 years ago, Meera’s mother was three times as old as Meera. The mother is 14 years old now. How old is Meera now?
16. 16.Marks of 6 friends in a quiz: 59, 62, 66, 60, 43, 34. What is their average mark?
17. 17.Aarav can finish a job in 19 days and Vivaan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
18. 18.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
19. 19.What sum of money earns ₹12880 simple interest in 5 years at 14% per year (in ₹)?
20. 20.The price of a school bag changes from ₹760 to ₹874. By what percent did it go up?
21. 21.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
22. 22.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
23. 23.The average weight of 7 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
24. 24.A shop sells 1520 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
25. 25.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
26. 26.Isha’s father is twice as old as Isha. The sum of their ages is 18 years. How old is Isha?
27. 27.5 years ago, Dev’s mother was twice as old as Dev. The mother is 17 years old now. How old is Dev now?
28. 28.Priya’s father is three times as old as Priya. The sum of their ages is 28 years. How old is Priya?
29. 29.5 years ago, Ananya’s mother was twice as old as Ananya. The mother is 13 years old now. How old is Ananya now?
30. 30.Find the compound interest on ₹5000 at 10% per year for 3 years, added every year (in ₹).
31. 31.After a 40% discount, a pressure cooker costs ₹108. What was its marked price (in ₹)?
32. 32.By selling a cricket bat for ₹1134, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
33. 33.What sum of money earns ₹2520 simple interest in 2 years at 12% per year (in ₹)?
34. 34.A shop sells an average of 22 kg of sugar a day for 3 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
35. 35.By selling a pair of shoes for ₹666, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
36. 36.A pair of shoes is marked at ₹720. The shop gives a 15% discount. How much do you pay (in ₹)?
37. 37.By selling a table fan for ₹2212, a shopkeeper makes a profit of 40%. What did the table fan cost the shopkeeper (in ₹)?
38. 38.A watch is marked at ₹508. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
39. 39.What is the difference between the compound interest and the simple interest on ₹36300 at 20% per year for 2 years (in ₹)?
40. 40.Priya works three times as fast as Pooja. Together they finish a job in 8 days. How many days would Pooja take alone?

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