Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 485 · 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 1 hour at 49 km/h and then for 2 hours at 31 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.Ishaan is 8 years older than Farhan. In 5 years, the sum of their ages will be 76. How old is Farhan now?
3. 3.Find the compound interest on ₹34500 at 20% per year for 3 years, added every year (in ₹).
4. 4.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
5. 5.What sum of money earns ₹1148 simple interest in 2 years at 7% per year (in ₹)?
6. 6.Diya puts ₹17400 in a bank at 4% simple interest per year. How much will she have after 3 years (in ₹)?
7. 7.Diya puts ₹11500 in a bank at 11% simple interest per year. How much will she have after 4 years (in ₹)?
8. 8.Kavya’s father is four times as old as Kavya. The sum of their ages is 35 years. How old is the father?
9. 9.A water tank holds 540 litres. 20% of the water is used. How many litres are left?
10. 10.Kabir works three times as fast as Zoya. Together they finish a job in 6 days. How many days would Zoya take alone?
11. 11.Marks of 4 friends in a quiz: 64, 64, 49, 55. What is their average mark?
12. 12.Zoya can finish a job in 4 days and Manav in 24 days. Zoya works alone for 2 days and then stops. Manav finishes the rest. How many days does Manav take?
13. 13.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
14. 14.A study lamp marked at ₹3320 is sold for ₹1660. What is the discount percent?
15. 15.The price of a bicycle is ₹1860. It goes up by 40%. What is the new price (in ₹)?
16. 16.3 years ago, Aditya’s mother was twice as old as Aditya. The mother is 9 years old now. How old is Aditya now?
17. 17.By selling a study lamp for ₹1426, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
18. 18.By selling a pressure cooker for ₹1246, a shopkeeper makes a loss of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
19. 19.Find the simple interest on ₹4700 at 8% per year for 4 years (in ₹).
20. 20.Change 90 km/h into metres per second.
21. 21.After a 50% discount, a bicycle costs ₹1170. What was its marked price (in ₹)?
22. 22.7 years ago, Sneha’s mother was twice as old as Sneha. The mother is 21 years old now. How old is Sneha now?
23. 23.What sum of money earns ₹3260 simple interest in 5 years at 4% per year (in ₹)?
24. 24.A shop sells an average of 52 kg of sugar a day for 3 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
25. 25.Arjun’s batting average after 15 innings is 31 runs. How many runs must Arjun score in the next innings to raise the average to 36?
26. 26.A school bag is marked at ₹415. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
27. 27.Find the simple interest on ₹8100 at 9% per year for 3 years (in ₹).
28. 28.By selling a table fan for ₹476, a shopkeeper makes a loss of 15%. What did the table fan cost the shopkeeper (in ₹)?
29. 29.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
30. 30.A car runs for 2 hours at 30 km/h and then for 2 hours at 60 km/h. What is its average speed for the whole journey (in km/h)?
31. 31.A price goes up by 25% and then goes up by 40% more. By what percent has it gone up in all? =
32. 32.The price of a bicycle is ₹1480. It goes up by 15%. What is the new price (in ₹)?
33. 33.Sneha is 4 years older than Manav. In 8 years, the sum of their ages will be 64. How old is Manav now?
34. 34.Saanvi’s batting average after 10 innings is 27 runs. How many runs must Saanvi score in the next innings to raise the average to 28?
35. 35.7 years ago, Priya’s mother was four times as old as Priya. The mother is 31 years old now. How old is Priya now?
36. 36.After a 30% discount, a study lamp costs ₹1022. What was its marked price (in ₹)?
37. 37.Zoya works twice as fast as Rahul. Together they finish a job in 11 days. How many days would Rahul take alone?
38. 38.Find the simple interest on ₹2600 at 6% per year for 2 years (in ₹).
39. 39.In 9 years, Isha will be twice as old as Isha was 6 years ago. How old is Isha now?
40. 40.A table fan bought for ₹1780 is sold at a loss of 15%. What is the selling price (in ₹)?

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