Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 4 · 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 car runs for 2 hours at 55 km/h and then for 3 hours at 30 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.A school bag marked at ₹2180 is sold for ₹2071. What is the discount percent?
3. 3.Priya’s father is three times as old as Priya. The sum of their ages is 52 years. How old is Priya?
4. 4.A bicycle marked at ₹2100 is sold for ₹1995. What is the discount percent?
5. 5.In 26 years, Vivaan will be twice as old as Vivaan was 3 years ago. How old is Vivaan now?
6. 6.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
7. 7.Arjun can finish a job in 13 days and Kabir in 7 days. What fraction of the job do they finish if they work together for 3 days? =
8. 8.A shopkeeper buys a pressure cooker for ₹1580 and sells it for ₹1343. Find the loss percent.
9. 9.Find the amount when ₹41600 is invested at 5% per year compound interest for 2 years (in ₹).
10. 10.By selling a pressure cooker for ₹361, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
11. 11.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
12. 12.Change 108 km/h into metres per second.
13. 13.By selling a watch for ₹1230, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
14. 14.The price of a bicycle is ₹3520. It goes up by 30%. What is the new price (in ₹)?
15. 15.Aarav and Pooja together finish a job in 5 days. Aarav alone takes 10 days. How many days would Pooja take alone?
16. 16.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
17. 17.A price goes up by 15% and then goes up by 30% more. By what percent has it gone up in all? =
18. 18.A price goes up by 50% and then goes up by 15% more. By what percent has it gone up in all? =
19. 19.Rahul’s batting average after 8 innings is 46 runs. How many runs must Rahul score in the next innings to raise the average to 50?
20. 20.What sum of money earns ₹120 simple interest in 3 years at 4% per year (in ₹)?
21. 21.A bicycle is marked at ₹496. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
22. 22.Find the amount when ₹3750 is invested at 4% per year compound interest for 2 years (in ₹).
23. 23.What is the difference between the compound interest and the simple interest on ₹42000 at 10% per year for 2 years (in ₹)?
24. 24.The simple interest on ₹3800 for 1 year is ₹304. What is the rate of interest (% per year)?
25. 25.Aarav works three times as fast as Vivaan. Together they finish a job in 9 days. How many days would Vivaan take alone?
26. 26.Kabir cycles to his school at 24 km/h and comes back by the same road at 40 km/h. What is his average speed for the whole trip (in km/h)?
27. 27.By selling a cricket bat for ₹1260, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
28. 28.Find the amount when ₹16000 is invested at 15% per year compound interest for 3 years (in ₹).
29. 29.Aditya can finish a job in 14 days and Saanvi in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.Karan works twice as fast as Aditya. Together they finish a job in 6 days. How many days would Aditya take alone?
31. 31.The price of a school bag changes from ₹820 to ₹697. By what percent did it come down?
32. 32.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
33. 33.A shop sells an average of 42 kg of sugar a day for 5 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
34. 34.Change 5 m/s into km/h.
35. 35.Marks of 4 friends in a quiz: 47, 47, 56, 66. What is their average mark?
36. 36.2 years ago, Ananya’s mother was three times as old as Ananya. The mother is 14 years old now. How old is Ananya now?
37. 37.By selling a cricket bat for ₹750, a shopkeeper makes a profit of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
38. 38.Ananya’s batting average after 7 innings is 49 runs. How many runs must Ananya score in the next innings to raise the average to 54?
39. 39.The price of a bicycle is ₹2160. It goes up by 20%. What is the new price (in ₹)?
40. 40.A town has 4720 people. Its population grows by 30%. How many people live there now?

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