Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 145 · 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.Isha can finish a job in 9 days and Meera in 20 days. What fraction of the job do they finish if they work together for 2 days? =
2. 2.A shopkeeper buys a cricket bat for ₹640 and sells it for ₹704. Find the profit percent.
3. 3.Find the simple interest on ₹9700 at 6% per year for 4 years (in ₹).
4. 4.Diya and Pooja together finish a job in 4 days. Diya alone takes 6 days. How many days would Pooja take alone?
5. 5.A car runs for 1 hour at 80 km/h and then for 4 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
6. 6.Marks of 4 friends in a quiz: 61, 63, 45, 55. What is their average mark?
7. 7.7 years ago, Aditya’s mother was three times as old as Aditya. The mother is 34 years old now. How old is Aditya now?
8. 8.The price of a school bag changes from ₹3600 to ₹4140. By what percent did it go up?
9. 9.A shopkeeper buys a table fan for ₹100 and sells it for ₹140. Find the profit percent.
10. 10.Change 5 m/s into km/h.
11. 11.Find the simple interest on ₹7800 at 9% per year for 1 year (in ₹).
12. 12.Saanvi’s batting average after 12 innings is 39 runs. How many runs must Saanvi score in the next innings to raise the average to 41?
13. 13.A cricket bat bought for ₹160 is sold at a loss of 20%. What is the selling price (in ₹)?
14. 14.A price goes up by 30% and then comes down by 20%. By what percent has it gone up in all? =
15. 15.Rahul can finish a job in 12 days and Manav in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
16. 16.Change 15 m/s into km/h.
17. 17.A water tank holds 4340 litres. 10% of the water is used. How many litres are left?
18. 18.Find the amount when ₹31250 is invested at 4% per year compound interest for 2 years (in ₹).
19. 19.A shopkeeper buys a pressure cooker for ₹1280 and sells it for ₹960. Find the loss percent.
20. 20.Rohan can finish a job in 16 days and Dev in 24 days. Rohan works alone for 12 days and then stops. Dev finishes the rest. How many days does Dev take?
21. 21.Marks of 5 friends in a quiz: 75, 61, 88, 84, 67. What is their average mark?
22. 22.Diya puts ₹6100 in a bank at 15% simple interest per year. How much will she have after 4 years (in ₹)?
23. 23.In how many years will ₹700 earn ₹140 as simple interest at 5% per year?
24. 24.By selling a watch for ₹506, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
25. 25.What sum of money earns ₹7215 simple interest in 3 years at 13% per year (in ₹)?
26. 26.Find the amount when ₹26875 is invested at 12% per year compound interest for 2 years (in ₹).
27. 27.A town has 1300 people. Its population grows by 25%. How many people live there now?
28. 28.By selling a bicycle for ₹1656, a shopkeeper makes a profit of 15%. What did the bicycle cost the shopkeeper (in ₹)?
29. 29.A water tank holds 2400 litres. 5% of the water is used. How many litres are left?
30. 30.Change 40 m/s into km/h.
31. 31.Diya puts ₹16300 in a bank at 3% simple interest per year. How much will she have after 5 years (in ₹)?
32. 32.By selling a bicycle for ₹161, a shopkeeper makes a profit of 15%. What did the bicycle cost the shopkeeper (in ₹)?
33. 33.A price goes up by 40% and then comes down by 25%. By what percent has it gone up in all? =
34. 34.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
35. 35.Find the simple interest on ₹2600 at 12% per year for 3 years (in ₹).
36. 36.A town has 3280 people. Its population grows by 30%. How many people live there now?
37. 37.A shop sells an average of 21 kg of sugar a day for 3 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
38. 38.How many minutes does a car take to go 144 km at 36 km/h?
39. 39.What is the difference between the compound interest and the simple interest on ₹47500 at 12% per year for 2 years (in ₹)?
40. 40.In how many years will ₹13900 earn ₹3336 as simple interest at 8% per year?

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