Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 522 · 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.Change 90 km/h into metres per second.
2. 2.What is the difference between the compound interest and the simple interest on ₹27700 at 10% per year for 2 years (in ₹)?
3. 3.A shop sells 3000 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
4. 4.A watch is marked at ₹500. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
5. 5.Aarav and Dev together finish a job in 12 days. Aarav alone takes 21 days. How many days would Dev take alone?
6. 6.A water tank holds 4980 litres. 30% of the water is used. How many litres are left?
7. 7.What sum of money earns ₹2144 simple interest in 2 years at 8% per year (in ₹)?
8. 8.Manav’s batting average after 7 innings is 34 runs. How many runs must Manav score in the next innings to raise the average to 39?
9. 9.In how many years will ₹9800 earn ₹980 as simple interest at 2% per year?
10. 10.Kavya can finish a job in 17 days and Dev in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.Change 30 m/s into km/h.
12. 12.Find the compound interest on ₹11000 at 10% per year for 3 years, added every year (in ₹).
13. 13.By selling a bicycle for ₹1140, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
14. 14.A price goes up by 10% and then goes up by 30% more. By what percent has it gone up in all? =
15. 15.Find the compound interest on ₹17125 at 20% per year for 3 years, added every year (in ₹).
16. 16.A town has 2860 people. Its population grows by 5%. How many people live there now?
17. 17.A bus runs at 56 km/h. How far does it go in 45 minutes (in km)?
18. 18.Diya puts ₹3400 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
19. 19.4 years ago, Diya’s mother was four times as old as Diya. The mother is 16 years old now. How old is Diya now?
20. 20.After a 5% discount, a pressure cooker costs ₹513. What was its marked price (in ₹)?
21. 21.By selling a table fan for ₹630, a shopkeeper makes a loss of 30%. What did the table fan cost the shopkeeper (in ₹)?
22. 22.A price goes up by 40% and then goes up by 5% more. By what percent has it gone up in all? =
23. 23.The price of a school bag changes from ₹1680 to ₹1764. By what percent did it go up?
24. 24.Tara’s father is five times as old as Tara. The sum of their ages is 48 years. How old is the father?
25. 25.In 29 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?
26. 26.The average of 4 numbers is 29. When one more number is added, the average becomes 34. What number was added?
27. 27.How many minutes does a car take to go 69 km at 46 km/h?
28. 28.By selling a school bag for ₹2640, a shopkeeper makes a profit of 50%. What did the school bag cost the shopkeeper (in ₹)?
29. 29.The average of 5 numbers is 37. When one more number is added, the average becomes 38. What number was added?
30. 30.Diya’s batting average after 12 innings is 47 runs. How many runs must Diya score in the next innings to raise the average to 52?
31. 31.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
32. 32.The price of a bicycle is ₹2240. It goes up by 20%. What is the new price (in ₹)?
33. 33.A price comes down by 30% and then comes down by 50% more. By what percent has it come down in all? =
34. 34.A table fan is marked at ₹425. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
35. 35.A shopkeeper buys a school bag for ₹260 and sells it for ₹221. Find the loss percent.
36. 36.A price goes up by 40% and then goes up by 15% more. By what percent has it gone up in all? =
37. 37.Aditya and Diya together finish a job in 3 days. Aditya alone takes 4 days. How many days would Diya take alone?
38. 38.By selling a bicycle for ₹1008, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
39. 39.Aarav is 2 years older than Sneha. In 10 years, the sum of their ages will be 54. How old is Sneha now?
40. 40.Saanvi’s father is three times as old as Saanvi. The sum of their ages is 24 years. How old is Saanvi?

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