Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 737 · 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.Find the compound interest on ₹7700 at 10% per year for 2 years, added every year (in ₹).
2. 2.Diya can finish a job in 6 days and Sneha in 8 days. Diya works alone for 3 days and then stops. Sneha finishes the rest. How many days does Sneha take?
3. 3.After a 10% discount, a study lamp costs ₹1962. What was its marked price (in ₹)?
4. 4.After a 15% discount, a table fan costs ₹663. What was its marked price (in ₹)?
5. 5.2 years ago, Nisha’s mother was three times as old as Nisha. The mother is 32 years old now. How old is Nisha now?
6. 6.What sum of money earns ₹1120 simple interest in 5 years at 7% per year (in ₹)?
7. 7.How many minutes does a car take to go 133 km at 70 km/h?
8. 8.Ishaan’s batting average after 15 innings is 42 runs. How many runs must Ishaan score in the next innings to raise the average to 43?
9. 9.The simple interest on ₹14400 for 2 years is ₹2880. What is the rate of interest (% per year)?
10. 10.A price goes up by 30% and then goes up by 25% more. By what percent has it gone up in all? =
11. 11.Find the amount when ₹32400 is invested at 10% per year compound interest for 2 years (in ₹).
12. 12.A watch is marked at ₹1060. The shop gives a 5% discount. How much do you pay (in ₹)?
13. 13.Arjun can finish a job in 20 days and Karan in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.In how many years will ₹12800 earn ₹1536 as simple interest at 3% per year?
15. 15.Find the amount when ₹20800 is invested at 15% per year compound interest for 2 years (in ₹).
16. 16.A pair of shoes is marked at ₹420. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
17. 17.A price comes down by 30% and then comes down by 50% more. By what percent has it come down in all? =
18. 18.2 years ago, Rohan’s mother was three times as old as Rohan. The mother is 29 years old now. How old is Rohan now?
19. 19.Nisha and Aarav together finish a job in 10 days. Nisha alone takes 14 days. How many days would Aarav take alone?
20. 20.By selling a watch for ₹2325, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
21. 21.The simple interest on ₹8200 for 4 years is ₹4920. What is the rate of interest (% per year)?
22. 22.A shopkeeper buys a cricket bat for ₹1560 and sells it for ₹2028. Find the profit percent.
23. 23.Find the simple interest on ₹18200 at 2% per year for 5 years (in ₹).
24. 24.Change 35 m/s into km/h.
25. 25.Find the simple interest on ₹9400 at 15% per year for 3 years (in ₹).
26. 26.The price of a school bag changes from ₹1640 to ₹1148. By what percent did it come down?
27. 27.A price comes down by 10% and then comes down by 20% more. By what percent has it come down in all? =
28. 28.In 18 years, Pooja will be three times as old as Pooja was 6 years ago. How old is Pooja now?
29. 29.A price comes down by 10% and then comes down by 30% more. By what percent has it come down in all? =
30. 30.A water tank holds 4680 litres. 40% of the water is used. How many litres are left?
31. 31.A table fan marked at ₹1500 is sold for ₹900. What is the discount percent?
32. 32.Find the simple interest on ₹18600 at 4% per year for 5 years (in ₹).
33. 33.Change 20 m/s into km/h.
34. 34.In 2 years, Arjun will be twice as old as Arjun was 4 years ago. How old is Arjun now?
35. 35.Change 5 m/s into km/h.
36. 36.Rohan can finish a job in 16 days and Meera in 4 days. Rohan works alone for 4 days and then stops. Meera finishes the rest. How many days does Meera take?
37. 37.A water tank holds 1100 litres. 5% of the water is used. How many litres are left?
38. 38.Isha can finish a job in 14 days and Pooja in 28 days. Isha works alone for 5 days and then stops. Pooja finishes the rest. How many days does Pooja take?
39. 39.A shop sells 2500 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
40. 40.A shopkeeper buys a table fan for ₹1160 and sells it for ₹1392. Find the profit percent.

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