Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 54 · 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.By selling a cricket bat for ₹812, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
2. 2.A shopkeeper buys a bicycle for ₹1780 and sells it for ₹1246. Find the loss percent.
3. 3.Zoya’s father is twice as old as Zoya. The sum of their ages is 24 years. How old is the father?
4. 4.Arjun’s father is five times as old as Arjun. The sum of their ages is 30 years. How old is Arjun?
5. 5.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
6. 6.Find the amount when ₹29504 is invested at 25% per year compound interest for 3 years (in ₹).
7. 7.Marks of 5 friends in a quiz: 54, 61, 53, 74, 93. What is their average mark?
8. 8.Diya puts ₹14800 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
9. 9.Priya can finish a job in 18 days and Sneha in 12 days. Priya works alone for 9 days and then stops. Sneha finishes the rest. How many days does Sneha take?
10. 10.A price goes up by 40% and then comes down by 20%. By what percent has it gone up in all? =
11. 11.The average of 7 numbers is 20. When one more number is added, the average becomes 26. What number was added?
12. 12.By selling a cricket bat for ₹270, a shopkeeper makes a loss of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
13. 13.By selling a study lamp for ₹510, a shopkeeper makes a profit of 50%. What did the study lamp cost the shopkeeper (in ₹)?
14. 14.Tara and Saanvi together finish a job in 2 days. Tara alone takes 3 days. How many days would Saanvi take alone?
15. 15.After a 50% discount, a watch costs ₹1750. What was its marked price (in ₹)?
16. 16.The price of a school bag changes from ₹3920 to ₹4312. By what percent did it go up?
17. 17.By selling a watch for ₹912, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
18. 18.What sum of money earns ₹1440 simple interest in 3 years at 12% per year (in ₹)?
19. 19.By selling a bicycle for ₹792, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
20. 20.A town has 2680 people. Its population grows by 25%. How many people live there now?
21. 21.By selling a bicycle for ₹312, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
22. 22.Kabir cycles to his school at 84 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
23. 23.After a 15% discount, a table fan costs ₹986. What was its marked price (in ₹)?
24. 24.Find the simple interest on ₹2800 at 11% per year for 4 years (in ₹).
25. 25.A water tank holds 520 litres. 50% of the water is used. How many litres are left?
26. 26.After a 25% discount, a bicycle costs ₹180. What was its marked price (in ₹)?
27. 27.A shopkeeper buys a school bag for ₹380 and sells it for ₹266. Find the loss percent.
28. 28.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
29. 29.Find the amount when ₹15000 is invested at 10% per year compound interest for 3 years (in ₹).
30. 30.Find the compound interest on ₹8750 at 4% per year for 2 years, added every year (in ₹).
31. 31.The average weight of 11 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
32. 32.A shopkeeper buys a study lamp for ₹1780 and sells it for ₹1691. Find the loss percent.
33. 33.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹15625 at 12% per year for 2 years, added every year (in ₹).
35. 35.Rahul’s father is five times as old as Rahul. The sum of their ages is 72 years. How old is the father?
36. 36.Find the simple interest on ₹16900 at 5% per year for 3 years (in ₹).
37. 37.A pressure cooker is marked at ₹4940. The shop gives a 40% discount. How much do you pay (in ₹)?
38. 38.Change 72 km/h into metres per second.
39. 39.By selling a watch for ₹1050, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹2700 at 10% per year for 2 years (in ₹)?

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