Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 70 · 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.The simple interest on ₹10200 for 1 year is ₹816. What is the rate of interest (% per year)?
2. 2.Nisha and Saanvi together finish a job in 2 days. Nisha alone takes 4 days. How many days would Saanvi take alone?
3. 3.The average of 9 numbers is 26. When one more number is added, the average becomes 27. What number was added?
4. 4.Change 72 km/h into metres per second.
5. 5.Change 15 m/s into km/h.
6. 6.In 21 years, Ishaan will be twice as old as Ishaan was 3 years ago. How old is Ishaan now?
7. 7.The price of a school bag changes from ₹3760 to ₹4700. By what percent did it go up?
8. 8.The average of 6 numbers is 34. When one more number is added, the average becomes 40. What number was added?
9. 9.A shopkeeper buys a bicycle for ₹500 and sells it for ₹400. Find the loss percent.
10. 10.Kabir cycles to his school at 33 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
11. 11.What sum of money earns ₹2618 simple interest in 2 years at 11% per year (in ₹)?
12. 12.Rohan works three times as fast as Farhan. Together they finish a job in 11 days. How many days would Farhan take alone?
13. 13.The price of a school bag changes from ₹4220 to ₹6330. By what percent did it go up?
14. 14.The price of a school bag changes from ₹1220 to ₹976. By what percent did it come down?
15. 15.By selling a table fan for ₹1008, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
16. 16.10 years ago, Kabir’s mother was twice as old as Kabir. The mother is 20 years old now. How old is Kabir now?
17. 17.Pooja is 10 years older than Farhan. In 9 years, the sum of their ages will be 42. How old is Farhan now?
18. 18.Diya can finish a job in 10 days and Priya in 6 days. Diya works alone for 5 days and then stops. Priya finishes the rest. How many days does Priya take?
19. 19.Find the compound interest on ₹36250 at 12% per year for 2 years, added every year (in ₹).
20. 20.Rahul’s father is three times as old as Rahul. The sum of their ages is 52 years. How old is Rahul?
21. 21.A shopkeeper buys a bicycle for ₹460 and sells it for ₹368. Find the loss percent.
22. 22.Kavya can finish a job in 9 days and Vivaan in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.Change 35 m/s into km/h.
24. 24.A shop sells an average of 30 kg of sugar a day for 6 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
25. 25.In 3 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?
26. 26.10 years ago, Ananya’s mother was three times as old as Ananya. The mother is 25 years old now. How old is Ananya now?
27. 27.The price of a bicycle is ₹1960. It goes up by 5%. What is the new price (in ₹)?
28. 28.The price of a school bag changes from ₹3300 to ₹3135. By what percent did it come down?
29. 29.In how many years will ₹1900 earn ₹950 as simple interest at 10% per year?
30. 30.By selling a bicycle for ₹1110, a shopkeeper makes a loss of 25%. What did the bicycle cost the shopkeeper (in ₹)?
31. 31.Kavya’s batting average after 15 innings is 50 runs. How many runs must Kavya score in the next innings to raise the average to 55?
32. 32.The average of 9 numbers is 27. When one more number is added, the average becomes 29. What number was added?
33. 33.What is the difference between the compound interest and the simple interest on ₹16400 at 25% per year for 2 years (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
35. 35.A school bag is marked at ₹480. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
36. 36.Marks of 5 friends in a quiz: 28, 34, 41, 26, 46. What is their average mark?
37. 37.Tara can finish a job in 6 days and Farhan in 22 days. Tara works alone for 3 days and then stops. Farhan finishes the rest. How many days does Farhan take?
38. 38.A shopkeeper buys a pair of shoes for ₹560 and sells it for ₹448. Find the loss percent.
39. 39.By selling a pressure cooker for ₹1890, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
40. 40.Arjun can finish a job in 8 days and Kabir in 6 days. What fraction of the job do they finish if they work together for 3 days? =

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