Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 552 · 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 watch is marked at ₹4980. The shop gives a 5% discount. How much do you pay (in ₹)?
2. 2.Find the compound interest on ₹40625 at 4% per year for 2 years, added every year (in ₹).
3. 3.A water tank holds 760 litres. 20% of the water is used. How many litres are left?
4. 4.Kabir cycles to his school at 78 km/h and comes back by the same road at 39 km/h. What is his average speed for the whole trip (in km/h)?
5. 5.Ishaan’s father is five times as old as Ishaan. The sum of their ages is 90 years. How old is the father?
6. 6.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
7. 7.Find the amount when ₹40750 is invested at 20% per year compound interest for 2 years (in ₹).
8. 8.Aarav is 7 years older than Kabir. In 5 years, the sum of their ages will be 29. How old is Kabir now?
9. 9.A price goes up by 40% and then comes down by 15%. By what percent has it gone up in all? =
10. 10.Meera can finish a job in 15 days and Isha in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.Nisha’s father is five times as old as Nisha. The sum of their ages is 60 years. How old is Nisha?
12. 12.Find the amount when ₹14000 is invested at 10% per year compound interest for 3 years (in ₹).
13. 13.A bus runs at 78 km/h. How far does it go in 20 minutes (in km)?
14. 14.A school bag is marked at ₹420. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
16. 16.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
17. 17.Find the compound interest on ₹11250 at 12% per year for 2 years, added every year (in ₹).
18. 18.In 28 years, Arjun will be three times as old as Arjun was 6 years ago. How old is Arjun now?
19. 19.The price of a school bag changes from ₹980 to ₹833. By what percent did it come down?
20. 20.Tara can finish a job in 30 days and Meera in 20 days. Tara works alone for 15 days and then stops. Meera finishes the rest. How many days does Meera take?
21. 21.Ananya can finish a job in 18 days and Diya in 16 days. What fraction of the job do they finish if they work together for 2 days? =
22. 22.What is the difference between the compound interest and the simple interest on ₹42000 at 5% per year for 2 years (in ₹)?
23. 23.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
24. 24.A table fan is marked at ₹1020. The shop gives a 25% discount. How much do you pay (in ₹)?
25. 25.Kavya works three times as fast as Pooja. Together they finish a job in 2 days. How many days would Pooja take alone?
26. 26.The average of 8 numbers is 23. When one more number is added, the average becomes 26. What number was added?
27. 27.Kabir cycles to his school at 72 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
28. 28.Zoya can finish a job in 5 days and Aarav in 19 days. What fraction of the job do they finish if they work together for 3 days? =
29. 29.A bus runs at 32 km/h. How far does it go in 90 minutes (in km)?
30. 30.Ananya and Kavya together finish a job in 18 days. Ananya alone takes 30 days. How many days would Kavya take alone?
31. 31.Kabir can finish a job in 20 days and Karan in 11 days. What fraction of the job do they finish if they work together for 1 day? =
32. 32.How many minutes does a car take to go 28 km at 40 km/h?
33. 33.4 years ago, Rohan’s mother was three times as old as Rohan. The mother is 16 years old now. How old is Rohan now?
34. 34.Marks of 6 friends in a quiz: 84, 63, 82, 57, 69, 59. What is their average mark?
35. 35.Find the amount when ₹19392 is invested at 25% per year compound interest for 2 years (in ₹).
36. 36.A pair of shoes is marked at ₹490. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
37. 37.Tara can finish a job in 12 days and Diya in 10 days. What fraction of the job do they finish if they work together for 2 days? =
38. 38.Arjun’s father is five times as old as Arjun. The sum of their ages is 78 years. How old is Arjun?
39. 39.By selling a bicycle for ₹1692, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
40. 40.Kabir cycles to his school at 15 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?

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