Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 186 · 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 price goes up by 50% and then comes down by 20%. By what percent has it gone up in all? =
2. 2.What is the difference between the compound interest and the simple interest on ₹21300 at 10% per year for 2 years (in ₹)?
3. 3.A town has 1480 people. Its population grows by 20%. How many people live there now?
4. 4.Find the simple interest on ₹4400 at 4% per year for 5 years (in ₹).
5. 5.A study lamp marked at ₹1020 is sold for ₹867. What is the discount percent?
6. 6.The average of 4 numbers is 26. When one more number is added, the average becomes 27. What number was added?
7. 7.A town has 3360 people. Its population grows by 10%. How many people live there now?
8. 8.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
9. 9.Kavya works twice as fast as Aditya. Together they finish a job in 9 days. How many days would Aditya take alone?
10. 10.The simple interest on ₹10400 for 5 years is ₹7800. What is the rate of interest (% per year)?
11. 11.Ishaan can finish a job in 3 days and Isha in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
12. 12.A bus runs at 30 km/h. How far does it go in 40 minutes (in km)?
13. 13.A shopkeeper buys a pressure cooker for ₹1000 and sells it for ₹1300. Find the profit percent.
14. 14.Meera’s father is three times as old as Meera. The sum of their ages is 40 years. How old is the father?
15. 15.A price comes down by 5% and then comes down by 5% more. By what percent has it come down in all? =
16. 16.By selling a cricket bat for ₹480, a shopkeeper makes a loss of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
17. 17.By selling a study lamp for ₹374, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
18. 18.A water tank holds 2580 litres. 20% of the water is used. How many litres are left?
19. 19.A shop sells an average of 41 kg of sugar a day for 3 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
20. 20.Find the simple interest on ₹1100 at 12% per year for 4 years (in ₹).
21. 21.In how many years will ₹1800 earn ₹360 as simple interest at 5% per year?
22. 22.A water tank holds 4260 litres. 5% of the water is used. How many litres are left?
23. 23.The price of a bicycle is ₹4020. It goes up by 50%. What is the new price (in ₹)?
24. 24.A car runs for 3 hours at 21 km/h and then for 1 hour at 53 km/h. What is its average speed for the whole journey (in km/h)?
25. 25.By selling a pair of shoes for ₹1116, a shopkeeper makes a loss of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
26. 26.By selling a pressure cooker for ₹220, a shopkeeper makes a profit of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
27. 27.The average of 7 numbers is 48. When one more number is added, the average becomes 50. What number was added?
28. 28.A bus runs at 36 km/h. How far does it go in 10 minutes (in km)?
29. 29.Find the compound interest on ₹32000 at 5% per year for 3 years, added every year (in ₹).
30. 30.After a 25% discount, a pressure cooker costs ₹885. What was its marked price (in ₹)?
31. 31.A school bag marked at ₹2040 is sold for ₹1836. What is the discount percent?
32. 32.After a 25% discount, a cricket bat costs ₹195. What was its marked price (in ₹)?
33. 33.Manav’s father is three times as old as Manav. The sum of their ages is 40 years. How old is Manav?
34. 34.By selling a pressure cooker for ₹1292, a shopkeeper makes a loss of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
35. 35.Kavya is 6 years older than Rahul. In 9 years, the sum of their ages will be 70. How old is Rahul now?
36. 36.A water tank holds 3540 litres. 50% of the water is used. How many litres are left?
37. 37.A shopkeeper buys a bicycle for ₹160 and sells it for ₹96. Find the loss percent.
38. 38.Kabir cycles to his school at 16 km/h and comes back by the same road at 48 km/h. What is his average speed for the whole trip (in km/h)?
39. 39.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
40. 40.Rohan can finish a job in 16 days and Ananya in 8 days. Rohan works alone for 8 days and then stops. Ananya finishes the rest. How many days does Ananya take?

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