Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 831 · 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.Change 108 km/h into metres per second.
2. 2.How many minutes does a car take to go 75 km at 45 km/h?
3. 3.The price of a bicycle is ₹4240. It goes up by 15%. What is the new price (in ₹)?
4. 4.A water tank holds 4200 litres. 5% of the water is used. How many litres are left?
5. 5.Change 40 m/s into km/h.
6. 6.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
7. 7.A town has 3560 people. Its population grows by 20%. How many people live there now?
8. 8.A car runs for 3 hours at 74 km/h and then for 3 hours at 50 km/h. What is its average speed for the whole journey (in km/h)?
9. 9.Find the compound interest on ₹19375 at 4% per year for 2 years, added every year (in ₹).
10. 10.By selling a pair of shoes for ₹888, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
11. 11.A school bag marked at ₹3600 is sold for ₹2160. What is the discount percent?
12. 12.What is the difference between the compound interest and the simple interest on ₹39200 at 15% per year for 2 years (in ₹)?
13. 13.A price goes up by 30% and then goes up by 40% more. By what percent has it gone up in all? =
14. 14.Change 72 km/h into metres per second.
15. 15.Find the simple interest on ₹18400 at 9% per year for 1 year (in ₹).
16. 16.Zoya and Arjun together finish a job in 4 days. Zoya alone takes 5 days. How many days would Arjun take alone?
17. 17.A shopkeeper buys a bicycle for ₹760 and sells it for ₹646. Find the loss percent.
18. 18.7 years ago, Aditya’s mother was three times as old as Aditya. The mother is 16 years old now. How old is Aditya now?
19. 19.A car runs for 1 hour at 32 km/h and then for 1 hour at 42 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.A shopkeeper buys a study lamp for ₹1800 and sells it for ₹1620. Find the loss percent.
21. 21.Rahul can finish a job in 18 days and Ishaan in 11 days. What fraction of the job do they finish if they work together for 1 day? =
22. 22.Find the compound interest on ₹9250 at 20% per year for 3 years, added every year (in ₹).
23. 23.In 12 years, Ananya will be twice as old as Ananya was 3 years ago. How old is Ananya now?
24. 24.In 17 years, Isha will be twice as old as Isha was 5 years ago. How old is Isha now?
25. 25.Arjun can finish a job in 12 days and Pooja in 18 days. What fraction of the job do they finish if they work together for 3 days? =
26. 26.Change 10 m/s into km/h.
27. 27.A study lamp is marked at ₹2680. The shop gives a 30% discount. How much do you pay (in ₹)?
28. 28.A water tank holds 2480 litres. 40% of the water is used. How many litres are left?
29. 29.Marks of 6 friends in a quiz: 78, 78, 81, 89, 82, 48. What is their average mark?
30. 30.Diya puts ₹4700 in a bank at 10% simple interest per year. How much will she have after 3 years (in ₹)?
31. 31.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
32. 32.A pressure cooker bought for ₹1400 is sold at a loss of 40%. What is the selling price (in ₹)?
33. 33.Change 5 m/s into km/h.
34. 34.Find the simple interest on ₹3100 at 3% per year for 1 year (in ₹).
35. 35.Zoya’s father is three times as old as Zoya. The sum of their ages is 44 years. How old is Zoya?
36. 36.A shop sells an average of 74 kg of sugar a day for 3 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
37. 37.Find the compound interest on ₹43744 at 25% per year for 2 years, added every year (in ₹).
38. 38.2 years ago, Sneha’s mother was three times as old as Sneha. The mother is 35 years old now. How old is Sneha now?
39. 39.Marks of 4 friends in a quiz: 31, 17, 37, 35. What is their average mark?
40. 40.A bicycle bought for ₹720 is sold at a profit of 10%. What is the selling price (in ₹)?

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