Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 531 · 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.Ananya and Kavya together finish a job in 6 days. Ananya alone takes 9 days. How many days would Kavya take alone?
2. 2.Arjun and Rohan together finish a job in 10 days. Arjun alone takes 15 days. How many days would Rohan take alone?
3. 3.The simple interest on ₹7700 for 1 year is ₹231. What is the rate of interest (% per year)?
4. 4.6 years ago, Nisha’s mother was four times as old as Nisha. The mother is 50 years old now. How old is Nisha now?
5. 5.After a 5% discount, a table fan costs ₹1729. What was its marked price (in ₹)?
6. 6.7 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 27 years old now. How old is Vivaan now?
7. 7.Aarav works twice as fast as Saanvi. Together they finish a job in 5 days. How many days would Saanvi take alone?
8. 8.Find the compound interest on ₹32000 at 10% per year for 3 years, added every year (in ₹).
9. 9.A watch is marked at ₹3320. The shop gives a 20% discount. How much do you pay (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹45000 at 8% per year for 2 years (in ₹)?
11. 11.A price goes up by 50% and then goes up by 25% more. By what percent has it gone up in all? =
12. 12.Farhan can finish a job in 4 days and Kavya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
13. 13.A shop sells an average of 80 kg of sugar a day for 3 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
14. 14.What is the difference between the compound interest and the simple interest on ₹29600 at 25% per year for 2 years (in ₹)?
15. 15.Diya puts ₹16800 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
16. 16.Nisha is 3 years older than Ananya. In 2 years, the sum of their ages will be 55. How old is Ananya now?
17. 17.Diya puts ₹6300 in a bank at 11% simple interest per year. How much will she have after 4 years (in ₹)?
18. 18.Arjun is 6 years older than Zoya. In 8 years, the sum of their ages will be 54. How old is Zoya now?
19. 19.What is the difference between the compound interest and the simple interest on ₹25200 at 15% per year for 2 years (in ₹)?
20. 20.A shopkeeper buys a school bag for ₹1100 and sells it for ₹1265. Find the profit percent.
21. 21.What is the difference between the compound interest and the simple interest on ₹17100 at 10% per year for 2 years (in ₹)?
22. 22.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
23. 23.Zoya’s batting average after 7 innings is 41 runs. How many runs must Zoya score in the next innings to raise the average to 45?
24. 24.Diya puts ₹15900 in a bank at 11% simple interest per year. How much will she have after 2 years (in ₹)?
25. 25.Diya puts ₹5500 in a bank at 3% simple interest per year. How much will she have after 4 years (in ₹)?
26. 26.Saanvi works twice as fast as Aarav. Together they finish a job in 2 days. How many days would Aarav take alone?
27. 27.A school bag is marked at ₹640. The shop gives a 5% discount. How much do you pay (in ₹)?
28. 28.Nisha can finish a job in 16 days and Aarav in 24 days. Nisha works alone for 8 days and then stops. Aarav finishes the rest. How many days does Aarav take?
29. 29.A bicycle is marked at ₹600. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
30. 30.Find the compound interest on ₹42304 at 25% per year for 3 years, added every year (in ₹).
31. 31.The average of 9 numbers is 37. When one more number is added, the average becomes 39. What number was added?
32. 32.In 10 years, Meera will be three times as old as Meera was 6 years ago. How old is Meera now?
33. 33.Kabir cycles to his school at 63 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
35. 35.A shopkeeper buys a cricket bat for ₹220 and sells it for ₹209. Find the loss percent.
36. 36.By selling a pair of shoes for ₹950, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
37. 37.The price of a school bag changes from ₹4860 to ₹7290. By what percent did it go up?
38. 38.Tara’s batting average after 6 innings is 29 runs. How many runs must Tara score in the next innings to raise the average to 34?
39. 39.Karan is 2 years older than Isha. In 7 years, the sum of their ages will be 54. How old is Isha now?
40. 40.Rohan can finish a job in 2 days and Ananya in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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