Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 534 · 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 10% and 10%, one after the other, are the same as one discount of what percent? =
2. 2.The simple interest on ₹9400 for 3 years is ₹1128. What is the rate of interest (% per year)?
3. 3.The price of a school bag changes from ₹4920 to ₹2460. By what percent did it come down?
4. 4.Find the simple interest on ₹500 at 10% per year for 1 year (in ₹).
5. 5.Change 35 m/s into km/h.
6. 6.The price of a school bag changes from ₹520 to ₹572. By what percent did it go up?
7. 7.A water tank holds 1320 litres. 25% of the water is used. How many litres are left?
8. 8.A bicycle is marked at ₹3180. The shop gives a 10% discount. How much do you pay (in ₹)?
9. 9.What sum of money earns ₹180 simple interest in 2 years at 6% per year (in ₹)?
10. 10.The price of a school bag changes from ₹3500 to ₹3150. By what percent did it come down?
11. 11.8 years ago, Sneha’s mother was three times as old as Sneha. The mother is 26 years old now. How old is Sneha now?
12. 12.Vivaan’s father is four times as old as Vivaan. The sum of their ages is 55 years. How old is the father?
13. 13.By selling a pressure cooker for ₹1136, a shopkeeper makes a loss of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
14. 14.A water tank holds 1380 litres. 30% of the water is used. How many litres are left?
15. 15.A car runs for 1 hour at 75 km/h and then for 2 hours at 21 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.A school bag is marked at ₹800. The shop gives a 5% discount. How much do you pay (in ₹)?
17. 17.The average of 4 numbers is 48. When one more number is added, the average becomes 54. What number was added?
18. 18.By selling a pair of shoes for ₹90, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
19. 19.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
20. 20.A shop sells 1340 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
21. 21.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 24 years. How old is the father?
22. 22.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
23. 23.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
24. 24.What is the difference between the compound interest and the simple interest on ₹24400 at 15% per year for 2 years (in ₹)?
25. 25.Aarav can finish a job in 2 days and Vivaan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.A study lamp bought for ₹1260 is sold at a loss of 15%. What is the selling price (in ₹)?
27. 27.A shop sells an average of 38 kg of sugar a day for 5 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
28. 28.A water tank holds 1740 litres. 50% of the water is used. How many litres are left?
29. 29.A shopkeeper buys a watch for ₹1800 and sells it for ₹2700. Find the profit percent.
30. 30.Karan’s father is four times as old as Karan. The sum of their ages is 45 years. How old is Karan?
31. 31.By selling a school bag for ₹616, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
32. 32.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
33. 33.What sum of money earns ₹1350 simple interest in 5 years at 5% per year (in ₹)?
34. 34.Find the amount when ₹39000 is invested at 10% per year compound interest for 3 years (in ₹).
35. 35.Change 18 km/h into metres per second.
36. 36.Manav’s batting average after 14 innings is 20 runs. How many runs must Manav score in the next innings to raise the average to 23?
37. 37.Change 40 m/s into km/h.
38. 38.Find the simple interest on ₹10600 at 2% per year for 5 years (in ₹).
39. 39.A bus runs at 20 km/h. How far does it go in 30 minutes (in km)?
40. 40.A bicycle bought for ₹420 is sold at a loss of 50%. What is the selling price (in ₹)?

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