Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 207 · 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.A price comes down by 5% and then comes down by 10% more. By what percent has it come down in all? =
2. 2.A table fan marked at ₹3780 is sold for ₹1890. What is the discount percent?
3. 3.A school bag bought for ₹1840 is sold at a loss of 10%. What is the selling price (in ₹)?
4. 4.In how many years will ₹18300 earn ₹7137 as simple interest at 13% per year?
5. 5.By selling a pair of shoes for ₹1200, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
6. 6.A car runs for 1 hour at 35 km/h and then for 1 hour at 47 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
8. 8.A cricket bat marked at ₹480 is sold for ₹408. What is the discount percent?
9. 9.The price of a bicycle is ₹2760. It goes up by 30%. What is the new price (in ₹)?
10. 10.Find the compound interest on ₹5568 at 25% per year for 3 years, added every year (in ₹).
11. 11.Marks of 4 friends in a quiz: 59, 32, 52, 45. What is their average mark?
12. 12.The simple interest on ₹13300 for 3 years is ₹3591. What is the rate of interest (% per year)?
13. 13.Find the amount when ₹18700 is invested at 10% per year compound interest for 2 years (in ₹).
14. 14.A price goes up by 30% and then goes up by 20% more. By what percent has it gone up in all? =
15. 15.A pair of shoes is marked at ₹1075. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
16. 16.A town has 4000 people. Its population grows by 50%. How many people live there now?
17. 17.The average weight of 11 children is 38 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
18. 18.The price of a school bag changes from ₹340 to ₹425. By what percent did it go up?
19. 19.What is the difference between the compound interest and the simple interest on ₹47200 at 5% per year for 2 years (in ₹)?
20. 20.The average of 6 numbers is 30. When one more number is added, the average becomes 33. What number was added?
21. 21.2 years ago, Meera’s mother was three times as old as Meera. The mother is 23 years old now. How old is Meera now?
22. 22.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
23. 23.A school bag bought for ₹80 is sold at a profit of 5%. What is the selling price (in ₹)?
24. 24.Marks of 4 friends in a quiz: 29, 47, 47, 9. What is their average mark?
25. 25.The average of 5 numbers is 57. When one more number is added, the average becomes 60. What number was added?
26. 26.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
27. 27.What is the difference between the compound interest and the simple interest on ₹400 at 25% per year for 2 years (in ₹)?
28. 28.Kabir cycles to his school at 90 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.A water tank holds 4100 litres. 5% of the water is used. How many litres are left?
30. 30.A watch marked at ₹620 is sold for ₹434. What is the discount percent?
31. 31.A water tank holds 3640 litres. 50% of the water is used. How many litres are left?
32. 32.A watch is marked at ₹940. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
33. 33.Find the amount when ₹49000 is invested at 10% per year compound interest for 3 years (in ₹).
34. 34.A town has 4400 people. Its population grows by 20%. How many people live there now?
35. 35.After a 20% discount, a cricket bat costs ₹2080. What was its marked price (in ₹)?
36. 36.A school bag is marked at ₹1375. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
37. 37.Priya can finish a job in 4 days and Dev in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.Find the simple interest on ₹1200 at 7% per year for 4 years (in ₹).
39. 39.Kabir cycles to his school at 72 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
40. 40.A price comes down by 30% and then comes down by 10% more. By what percent has it come down in all? =

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