Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 657 · 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.In 4 years, Kavya will be twice as old as Kavya was 2 years ago. How old is Kavya now?
2. 2.A water tank holds 140 litres. 30% of the water is used. How many litres are left?
3. 3.The average of 6 numbers is 52. When one more number is added, the average becomes 54. What number was added?
4. 4.A shop sells an average of 24 kg of sugar a day for 2 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
5. 5.A shop sells an average of 53 kg of sugar a day for 6 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
6. 6.A watch bought for ₹160 is sold at a loss of 30%. What is the selling price (in ₹)?
7. 7.In 17 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
8. 8.Arjun can finish a job in 7 days and Vivaan in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.A price goes up by 25% and then comes down by 10%. By what percent has it gone up in all? =
10. 10.Marks of 4 friends in a quiz: 42, 65, 52, 45. What is their average mark?
11. 11.A table fan is marked at ₹3460. The shop gives a 5% discount. How much do you pay (in ₹)?
12. 12.5 years ago, Kabir’s mother was four times as old as Kabir. The mother is 45 years old now. How old is Kabir now?
13. 13.By selling a pair of shoes for ₹1980, a shopkeeper makes a profit of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
14. 14.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
15. 15.What sum of money earns ₹1792 simple interest in 4 years at 14% per year (in ₹)?
16. 16.4 years ago, Diya’s mother was twice as old as Diya. The mother is 22 years old now. How old is Diya now?
17. 17.A pressure cooker is marked at ₹1040. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
18. 18.Find the compound interest on ₹23125 at 4% per year for 2 years, added every year (in ₹).
19. 19.By selling a watch for ₹480, a shopkeeper makes a loss of 40%. What did the watch cost the shopkeeper (in ₹)?
20. 20.5 years ago, Sneha’s mother was twice as old as Sneha. The mother is 27 years old now. How old is Sneha now?
21. 21.Find the amount when ₹16000 is invested at 10% per year compound interest for 3 years (in ₹).
22. 22.A price comes down by 40% and then comes down by 5% more. By what percent has it come down in all? =
23. 23.Aditya works three times as fast as Kavya. Together they finish a job in 4 days. How many days would Kavya take alone?
24. 24.The average of 6 numbers is 47. When one more number is added, the average becomes 51. What number was added?
25. 25.By selling a pair of shoes for ₹1122, a shopkeeper makes a loss of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
26. 26.A bicycle is marked at ₹470. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
27. 27.Marks of 6 friends in a quiz: 40, 37, 44, 57, 56, 66. What is their average mark?
28. 28.By selling a pressure cooker for ₹2268, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
29. 29.A shopkeeper buys a cricket bat for ₹120 and sells it for ₹60. Find the loss percent.
30. 30.Manav and Isha together finish a job in 3 days. Manav alone takes 4 days. How many days would Isha take alone?
31. 31.Find the simple interest on ₹3700 at 12% per year for 3 years (in ₹).
32. 32.Zoya can finish a job in 7 days and Meera in 9 days. What fraction of the job do they finish if they work together for 2 days? =
33. 33.Change 25 m/s into km/h.
34. 34.Find the compound interest on ₹17500 at 8% per year for 2 years, added every year (in ₹).
35. 35.Diya puts ₹7400 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
36. 36.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
37. 37.In how many years will ₹8500 earn ₹510 as simple interest at 2% per year?
38. 38.Diya puts ₹17700 in a bank at 4% simple interest per year. How much will she have after 1 year (in ₹)?
39. 39.A car runs for 3 hours at 37 km/h and then for 3 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
40. 40.By selling a watch for ₹720, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?

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