Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 905 · 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.Diya puts ₹3300 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
2. 2.A school bag bought for ₹1140 is sold at a profit of 30%. What is the selling price (in ₹)?
3. 3.The price of a bicycle is ₹760. It goes up by 30%. What is the new price (in ₹)?
4. 4.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
5. 5.A cricket bat is marked at ₹440. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
6. 6.What sum of money earns ₹7440 simple interest in 4 years at 15% per year (in ₹)?
7. 7.Kabir can finish a job in 6 days and Rohan in 30 days. Kabir works alone for 4 days and then stops. Rohan finishes the rest. How many days does Rohan take?
8. 8.A watch bought for ₹1880 is sold at a loss of 20%. What is the selling price (in ₹)?
9. 9.5 years ago, Sneha’s mother was three times as old as Sneha. The mother is 35 years old now. How old is Sneha now?
10. 10.A pair of shoes marked at ₹3020 is sold for ₹2718. What is the discount percent?
11. 11.The price of a school bag changes from ₹4960 to ₹6944. By what percent did it go up?
12. 12.Find the compound interest on ₹46250 at 4% per year for 2 years, added every year (in ₹).
13. 13.7 years ago, Priya’s mother was twice as old as Priya. The mother is 15 years old now. How old is Priya now?
14. 14.A table fan bought for ₹1500 is sold at a loss of 25%. What is the selling price (in ₹)?
15. 15.Priya’s father is twice as old as Priya. The sum of their ages is 30 years. How old is Priya?
16. 16.Diya puts ₹19300 in a bank at 6% simple interest per year. How much will she have after 5 years (in ₹)?
17. 17.The average of 6 numbers is 57. When one more number is added, the average becomes 63. What number was added?
18. 18.By selling a study lamp for ₹240, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
19. 19.A price goes up by 5% and then goes up by 20% more. By what percent has it gone up in all? =
20. 20.Tara is 7 years older than Aarav. In 4 years, the sum of their ages will be 75. How old is Aarav now?
21. 21.Diya works twice as fast as Priya. Together they finish a job in 12 days. How many days would Priya take alone?
22. 22.Change 40 m/s into km/h.
23. 23.Zoya’s father is five times as old as Zoya. The sum of their ages is 66 years. How old is Zoya?
24. 24.Change 25 m/s into km/h.
25. 25.A shopkeeper buys a watch for ₹1720 and sells it for ₹1634. Find the loss percent.
26. 26.After a 5% discount, a watch costs ₹1083. What was its marked price (in ₹)?
27. 27.Find the compound interest on ₹46032 at 25% per year for 2 years, added every year (in ₹).
28. 28.A water tank holds 4720 litres. 10% of the water is used. How many litres are left?
29. 29.A town has 2440 people. Its population grows by 50%. How many people live there now?
30. 30.Marks of 4 friends in a quiz: 80, 61, 64, 87. What is their average mark?
31. 31.How many minutes does a car take to go 19 km at 30 km/h?
32. 32.Kabir cycles to his school at 28 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
33. 33.4 years ago, Rohan’s mother was twice as old as Rohan. The mother is 10 years old now. How old is Rohan now?
34. 34.Find the amount when ₹26700 is invested at 10% per year compound interest for 2 years (in ₹).
35. 35.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
36. 36.Ananya’s batting average after 13 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 29?
37. 37.The simple interest on ₹1300 for 4 years is ₹312. What is the rate of interest (% per year)?
38. 38.A cricket bat marked at ₹800 is sold for ₹560. What is the discount percent?
39. 39.Marks of 4 friends in a quiz: 43, 46, 34, 13. What is their average mark?
40. 40.The simple interest on ₹13900 for 2 years is ₹1946. What is the rate of interest (% per year)?

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