Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 333 · 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.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
2. 2.In 4 years, Kavya will be twice as old as Kavya was 3 years ago. How old is Kavya now?
3. 3.Karan can finish a job in 30 days and Meera in 27 days. Karan works alone for 20 days and then stops. Meera finishes the rest. How many days does Meera take?
4. 4.Diya’s father is five times as old as Diya. The sum of their ages is 78 years. How old is Diya?
5. 5.What is the difference between the compound interest and the simple interest on ₹29200 at 5% per year for 2 years (in ₹)?
6. 6.Diya puts ₹500 in a bank at 5% simple interest per year. How much will she have after 2 years (in ₹)?
7. 7.In how many years will ₹3700 earn ₹740 as simple interest at 5% per year?
8. 8.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
9. 9.The price of a bicycle is ₹2240. It goes up by 5%. What is the new price (in ₹)?
10. 10.Arjun’s batting average after 12 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 50?
11. 11.Kavya can finish a job in 9 days and Manav in 13 days. What fraction of the job do they finish if they work together for 1 day? =
12. 12.What sum of money earns ₹1360 simple interest in 1 year at 10% per year (in ₹)?
13. 13.The price of a school bag changes from ₹880 to ₹792. By what percent did it come down?
14. 14.A shopkeeper buys a bicycle for ₹280 and sells it for ₹266. Find the loss percent.
15. 15.A pressure cooker is marked at ₹4960. The shop gives a 5% discount. How much do you pay (in ₹)?
16. 16.A water tank holds 2000 litres. 10% of the water is used. How many litres are left?
17. 17.Find the amount when ₹3000 is invested at 10% per year compound interest for 3 years (in ₹).
18. 18.A shopkeeper buys a table fan for ₹1400 and sells it for ₹1190. Find the loss percent.
19. 19.A pressure cooker bought for ₹1580 is sold at a loss of 5%. What is the selling price (in ₹)?
20. 20.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
21. 21.In 13 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
22. 22.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?
23. 23.A car runs for 1 hour at 27 km/h and then for 4 hours at 42 km/h. What is its average speed for the whole journey (in km/h)?
24. 24.In 28 years, Isha will be three times as old as Isha was 2 years ago. How old is Isha now?
25. 25.Find the compound interest on ₹12000 at 10% per year for 3 years, added every year (in ₹).
26. 26.The simple interest on ₹18200 for 1 year is ₹546. What is the rate of interest (% per year)?
27. 27.By selling a bicycle for ₹2325, a shopkeeper makes a profit of 25%. What did the bicycle cost the shopkeeper (in ₹)?
28. 28.A pressure cooker bought for ₹2000 is sold at a loss of 30%. What is the selling price (in ₹)?
29. 29.After a 50% discount, a cricket bat costs ₹1840. What was its marked price (in ₹)?
30. 30.A water tank holds 920 litres. 5% of the water is used. How many litres are left?
31. 31.Karan can finish a job in 8 days and Ishaan in 16 days. Karan works alone for 5 days and then stops. Ishaan finishes the rest. How many days does Ishaan take?
32. 32.In how many years will ₹3100 earn ₹2325 as simple interest at 15% per year?
33. 33.How many minutes does a car take to go 115 km at 30 km/h?
34. 34.A shopkeeper buys a cricket bat for ₹640 and sells it for ₹672. Find the profit percent.
35. 35.Aarav is 10 years older than Rahul. In 7 years, the sum of their ages will be 34. How old is Rahul now?
36. 36.By selling a watch for ₹750, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
37. 37.The price of a school bag changes from ₹2880 to ₹4320. By what percent did it go up?
38. 38.A shopkeeper buys a school bag for ₹1940 and sells it for ₹2522. Find the profit percent.
39. 39.Find the amount when ₹1600 is invested at 5% per year compound interest for 2 years (in ₹).
40. 40.Change 18 km/h into metres per second.

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