Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 135 · 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 bicycle marked at ₹2380 is sold for ₹1190. What is the discount percent?
2. 2.Rohan’s father is five times as old as Rohan. The sum of their ages is 72 years. How old is Rohan?
3. 3.What sum of money earns ₹3600 simple interest in 3 years at 10% per year (in ₹)?
4. 4.Find the simple interest on ₹12300 at 12% per year for 5 years (in ₹).
5. 5.Find the simple interest on ₹15300 at 14% per year for 3 years (in ₹).
6. 6.A water tank holds 800 litres. 5% of the water is used. How many litres are left?
7. 7.By selling a table fan for ₹704, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
8. 8.Aditya can finish a job in 12 days and Priya in 9 days. Aditya works alone for 8 days and then stops. Priya finishes the rest. How many days does Priya take?
9. 9.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
10. 10.Change 90 km/h into metres per second.
11. 11.By selling a pair of shoes for ₹2520, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
12. 12.A town has 3340 people. Its population grows by 10%. How many people live there now?
13. 13.After a 10% discount, a study lamp costs ₹126. What was its marked price (in ₹)?
14. 14.Change 20 m/s into km/h.
15. 15.A school bag marked at ₹4160 is sold for ₹3744. What is the discount percent?
16. 16.Find the amount when ₹2900 is invested at 10% per year compound interest for 2 years (in ₹).
17. 17.The average of 4 numbers is 26. When one more number is added, the average becomes 29. What number was added?
18. 18.The average of 8 numbers is 54. When one more number is added, the average becomes 59. What number was added?
19. 19.Find the compound interest on ₹12400 at 5% per year for 2 years, added every year (in ₹).
20. 20.A shop sells an average of 25 kg of sugar a day for 2 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
21. 21.A pair of shoes bought for ₹1940 is sold at a loss of 50%. What is the selling price (in ₹)?
22. 22.By selling a pair of shoes for ₹1953, a shopkeeper makes a profit of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
23. 23.A car runs for 1 hour at 23 km/h and then for 1 hour at 65 km/h. What is its average speed for the whole journey (in km/h)?
24. 24.Karan’s batting average after 6 innings is 43 runs. How many runs must Karan score in the next innings to raise the average to 47?
25. 25.The average weight of 8 children is 32 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
26. 26.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
27. 27.Tara is 2 years older than Kavya. In 5 years, the sum of their ages will be 68. How old is Kavya now?
28. 28.What is the difference between the compound interest and the simple interest on ₹12400 at 25% per year for 2 years (in ₹)?
29. 29.Find the compound interest on ₹8192 at 25% per year for 3 years, added every year (in ₹).
30. 30.A price goes up by 15% and then goes up by 5% more. By what percent has it gone up in all? =
31. 31.Find the amount when ₹10700 is invested at 20% per year compound interest for 2 years (in ₹).
32. 32.10 years ago, Ananya’s mother was twice as old as Ananya. The mother is 16 years old now. How old is Ananya now?
33. 33.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
34. 34.A shop sells an average of 62 kg of sugar a day for 3 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
35. 35.Find the amount when ₹10000 is invested at 10% per year compound interest for 3 years (in ₹).
36. 36.A price goes up by 50% and then goes up by 15% more. By what percent has it gone up in all? =
37. 37.After a 10% discount, a pressure cooker costs ₹3060. What was its marked price (in ₹)?
38. 38.By selling a bicycle for ₹374, a shopkeeper makes a loss of 15%. What did the bicycle cost the shopkeeper (in ₹)?
39. 39.A cricket bat is marked at ₹1000. The shop gives a 15% discount. How much do you pay (in ₹)?
40. 40.3 years ago, Aditya’s mother was four times as old as Aditya. The mother is 47 years old now. How old is Aditya now?

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