Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 661 · 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.Ananya can finish a job in 6 days and Kabir in 9 days. Ananya works alone for 2 days and then stops. Kabir finishes the rest. How many days does Kabir take?
2. 2.Diya puts ₹8100 in a bank at 14% simple interest per year. How much will she have after 3 years (in ₹)?
3. 3.A watch bought for ₹1320 is sold at a profit of 40%. What is the selling price (in ₹)?
4. 4.2 years ago, Zoya’s mother was four times as old as Zoya. The mother is 50 years old now. How old is Zoya now?
5. 5.A bus runs at 78 km/h. How far does it go in 10 minutes (in km)?
6. 6.Ishaan’s batting average after 8 innings is 32 runs. How many runs must Ishaan score in the next innings to raise the average to 36?
7. 7.The price of a bicycle is ₹620. It goes up by 50%. What is the new price (in ₹)?
8. 8.The price of a school bag changes from ₹700 to ₹980. By what percent did it go up?
9. 9.Change 5 m/s into km/h.
10. 10.After a 25% discount, a school bag costs ₹2535. What was its marked price (in ₹)?
11. 11.7 years ago, Arjun’s mother was three times as old as Arjun. The mother is 37 years old now. How old is Arjun now?
12. 12.6 years ago, Farhan’s mother was twice as old as Farhan. The mother is 22 years old now. How old is Farhan now?
13. 13.Marks of 6 friends in a quiz: 58, 56, 40, 56, 48, 24. What is their average mark?
14. 14.A watch is marked at ₹740. The shop gives a 40% discount. How much do you pay (in ₹)?
15. 15.A bus runs at 42 km/h. How far does it go in 90 minutes (in km)?
16. 16.Change 72 km/h into metres per second.
17. 17.A school bag marked at ₹2940 is sold for ₹2646. What is the discount percent?
18. 18.What sum of money earns ₹2030 simple interest in 5 years at 14% per year (in ₹)?
19. 19.A watch is marked at ₹3040. The shop gives a 30% discount. How much do you pay (in ₹)?
20. 20.Kabir can finish a job in 11 days and Zoya in 9 days. What fraction of the job do they finish if they work together for 2 days? =
21. 21.What sum of money earns ₹240 simple interest in 4 years at 4% per year (in ₹)?
22. 22.Diya is 9 years older than Rohan. In 5 years, the sum of their ages will be 73. How old is Rohan now?
23. 23.Change 36 km/h into metres per second.
24. 24.Find the simple interest on ₹2300 at 5% per year for 2 years (in ₹).
25. 25.In how many years will ₹5500 earn ₹3300 as simple interest at 15% per year?
26. 26.A shop sells an average of 42 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
27. 27.Change 90 km/h into metres per second.
28. 28.How many minutes does a car take to go 88 km at 33 km/h?
29. 29.Diya puts ₹8100 in a bank at 5% simple interest per year. How much will she have after 3 years (in ₹)?
30. 30.Find the amount when ₹3500 is invested at 10% per year compound interest for 2 years (in ₹).
31. 31.In 14 years, Manav will be twice as old as Manav was 2 years ago. How old is Manav now?
32. 32.Find the compound interest on ₹21500 at 10% per year for 2 years, added every year (in ₹).
33. 33.Nisha works three times as fast as Vivaan. Together they finish a job in 10 days. How many days would Vivaan take alone?
34. 34.The average of 9 numbers is 40. When one more number is added, the average becomes 43. What number was added?
35. 35.After a 40% discount, a study lamp costs ₹1548. What was its marked price (in ₹)?
36. 36.A shop sells an average of 26 kg of sugar a day for 4 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
37. 37.By selling a cricket bat for ₹1742, a shopkeeper makes a profit of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
38. 38.Pooja can finish a job in 4 days and Karan in 6 days. What fraction of the job do they finish if they work together for 2 days? =
39. 39.The average of 4 numbers is 31. When one more number is added, the average becomes 37. What number was added?
40. 40.The average of 7 numbers is 56. When one more number is added, the average becomes 61. What number was added?

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