Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 271 · 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 10 m/s into km/h.
2. 2.A pair of shoes bought for ₹1920 is sold at a profit of 5%. What is the selling price (in ₹)?
3. 3.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
4. 4.A water tank holds 3100 litres. 20% of the water is used. How many litres are left?
5. 5.A bicycle is marked at ₹2400. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
6. 6.A school bag is marked at ₹4180. The shop gives a 10% discount. How much do you pay (in ₹)?
7. 7.A car runs for 4 hours at 29 km/h and then for 3 hours at 36 km/h. What is its average speed for the whole journey (in km/h)?
8. 8.The price of a school bag changes from ₹3420 to ₹3762. By what percent did it go up?
9. 9.By selling a bicycle for ₹1716, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
10. 10.A price comes down by 30% and then comes down by 10% more. By what percent has it come down in all? =
11. 11.The simple interest on ₹3100 for 4 years is ₹1612. What is the rate of interest (% per year)?
12. 12.The price of a school bag changes from ₹1240 to ₹1364. By what percent did it go up?
13. 13.Kavya’s batting average after 14 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 37?
14. 14.How many minutes does a car take to go 12 km at 45 km/h?
15. 15.Meera’s batting average after 5 innings is 24 runs. How many runs must Meera score in the next innings to raise the average to 27?
16. 16.What is the difference between the compound interest and the simple interest on ₹4300 at 10% per year for 2 years (in ₹)?
17. 17.By selling a school bag for ₹2190, a shopkeeper makes a profit of 50%. What did the school bag cost the shopkeeper (in ₹)?
18. 18.The average of 4 numbers is 36. When one more number is added, the average becomes 37. What number was added?
19. 19.What is the difference between the compound interest and the simple interest on ₹41200 at 15% per year for 2 years (in ₹)?
20. 20.Rohan can finish a job in 14 days and Kabir in 6 days. What fraction of the job do they finish if they work together for 2 days? =
21. 21.After a 40% discount, a pair of shoes costs ₹252. What was its marked price (in ₹)?
22. 22.By selling a table fan for ₹660, a shopkeeper makes a profit of 50%. What did the table fan cost the shopkeeper (in ₹)?
23. 23.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
24. 24.Find the amount when ₹50000 is invested at 8% per year compound interest for 2 years (in ₹).
25. 25.Isha and Priya together finish a job in 12 days. Isha alone takes 18 days. How many days would Priya take alone?
26. 26.Ananya can finish a job in 12 days and Karan in 4 days. Ananya works alone for 3 days and then stops. Karan finishes the rest. How many days does Karan take?
27. 27.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
28. 28.Aditya’s batting average after 6 innings is 41 runs. How many runs must Aditya score in the next innings to raise the average to 42?
29. 29.The price of a school bag changes from ₹3720 to ₹4278. By what percent did it go up?
30. 30.By selling a cricket bat for ₹1365, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
31. 31.Find the amount when ₹14100 is invested at 10% per year compound interest for 2 years (in ₹).
32. 32.A price comes down by 50% and then comes down by 30% more. By what percent has it come down in all? =
33. 33.Sneha’s batting average after 8 innings is 38 runs. How many runs must Sneha score in the next innings to raise the average to 43?
34. 34.Karan’s father is twice as old as Karan. The sum of their ages is 15 years. How old is the father?
35. 35.A study lamp is marked at ₹550. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
36. 36.Change 20 m/s into km/h.
37. 37.Change 5 m/s into km/h.
38. 38.A shop sells 1040 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
39. 39.Ishaan can finish a job in 13 days and Aarav in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
40. 40.In 25 years, Tara will be twice as old as Tara was 6 years ago. How old is Tara now?

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