Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 462 · 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.What sum of money earns ₹5760 simple interest in 5 years at 8% per year (in ₹)?
2. 2.Kavya’s father is twice as old as Kavya. The sum of their ages is 24 years. How old is the father?
3. 3.After a 5% discount, a table fan costs ₹1425. What was its marked price (in ₹)?
4. 4.Find the simple interest on ₹1500 at 13% per year for 4 years (in ₹).
5. 5.Change 5 m/s into km/h.
6. 6.A cricket bat bought for ₹1580 is sold at a profit of 5%. What is the selling price (in ₹)?
7. 7.A bicycle is marked at ₹3320. The shop gives a 20% discount. How much do you pay (in ₹)?
8. 8.Tara is 2 years older than Karan. In 8 years, the sum of their ages will be 30. How old is Karan now?
9. 9.Tara’s batting average after 8 innings is 36 runs. How many runs must Tara score in the next innings to raise the average to 40?
10. 10.A table fan is marked at ₹840. The shop gives a 5% discount. How much do you pay (in ₹)?
11. 11.Zoya can finish a job in 13 days and Isha in 18 days. What fraction of the job do they finish if they work together for 1 day? =
12. 12.A table fan is marked at ₹1920. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
13. 13.After a 20% discount, a bicycle costs ₹3040. What was its marked price (in ₹)?
14. 14.A water tank holds 1120 litres. 40% of the water is used. How many litres are left?
15. 15.What sum of money earns ₹4140 simple interest in 3 years at 15% per year (in ₹)?
16. 16.How many minutes does a car take to go 32 km at 40 km/h?
17. 17.A price goes up by 5% and then goes up by 5% more. By what percent has it gone up in all? =
18. 18.Find the compound interest on ₹6800 at 15% per year for 2 years, added every year (in ₹).
19. 19.By selling a school bag for ₹555, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
20. 20.Kavya can finish a job in 30 days and Ananya in 25 days. Kavya works alone for 6 days and then stops. Ananya finishes the rest. How many days does Ananya take?
21. 21.Find the compound interest on ₹2400 at 15% per year for 2 years, added every year (in ₹).
22. 22.Find the simple interest on ₹600 at 7% per year for 2 years (in ₹).
23. 23.Find the compound interest on ₹37312 at 25% per year for 3 years, added every year (in ₹).
24. 24.Find the compound interest on ₹46875 at 4% per year for 3 years, added every year (in ₹).
25. 25.What is the difference between the compound interest and the simple interest on ₹800 at 20% per year for 2 years (in ₹)?
26. 26.A car runs for 3 hours at 51 km/h and then for 3 hours at 23 km/h. What is its average speed for the whole journey (in km/h)?
27. 27.A shop sells an average of 21 kg of sugar a day for 3 days, and then 35 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
28. 28.What is the difference between the compound interest and the simple interest on ₹6000 at 25% per year for 2 years (in ₹)?
29. 29.The average of 6 numbers is 23. When one more number is added, the average becomes 29. What number was added?
30. 30.The price of a school bag changes from ₹4300 to ₹3870. By what percent did it come down?
31. 31.A price goes up by 30% and then comes down by 10%. By what percent has it gone up in all? =
32. 32.A bicycle is marked at ₹540. The shop gives a 30% discount. How much do you pay (in ₹)?
33. 33.The average of 8 numbers is 60. When one more number is added, the average becomes 64. What number was added?
34. 34.After a 20% discount, a bicycle costs ₹1136. What was its marked price (in ₹)?
35. 35.Ananya can finish a job in 20 days and Pooja in 16 days. What fraction of the job do they finish if they work together for 3 days? =
36. 36.Find the simple interest on ₹3400 at 8% per year for 3 years (in ₹).
37. 37.Find the amount when ₹11600 is invested at 5% per year compound interest for 2 years (in ₹).
38. 38.Find the amount when ₹29500 is invested at 20% per year compound interest for 3 years (in ₹).
39. 39.A shop sells an average of 76 kg of sugar a day for 6 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
40. 40.After a 20% discount, a study lamp costs ₹3936. What was its marked price (in ₹)?

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