Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 909 · 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 amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
2. 2.A pressure cooker marked at ₹1540 is sold for ₹1232. What is the discount percent?
3. 3.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
4. 4.Kavya can finish a job in 15 days and Tara in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
5. 5.Kabir cycles to his school at 10 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)?
6. 6.Change 90 km/h into metres per second.
7. 7.A shopkeeper buys a pressure cooker for ₹460 and sells it for ₹690. Find the profit percent.
8. 8.In 7 years, Isha will be twice as old as Isha was 2 years ago. How old is Isha now?
9. 9.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
10. 10.Saanvi and Rohan together finish a job in 3 days. Saanvi alone takes 6 days. How many days would Rohan take alone?
11. 11.A water tank holds 700 litres. 20% of the water is used. How many litres are left?
12. 12.By selling a watch for ₹540, a shopkeeper makes a loss of 25%. What did the watch cost the shopkeeper (in ₹)?
13. 13.Dev can finish a job in 15 days and Ishaan in 30 days. Dev works alone for 14 days and then stops. Ishaan finishes the rest. How many days does Ishaan take?
14. 14.Rohan and Ananya together finish a job in 5 days. Rohan alone takes 30 days. How many days would Ananya take alone?
15. 15.By selling a school bag for ₹1458, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
16. 16.Nisha can finish a job in 18 days and Arjun in 14 days. What fraction of the job do they finish if they work together for 1 day? =
17. 17.Find the amount when ₹8224 is invested at 25% per year compound interest for 2 years (in ₹).
18. 18.Find the simple interest on ₹9700 at 3% per year for 5 years (in ₹).
19. 19.The price of a school bag changes from ₹1280 to ₹1216. By what percent did it come down?
20. 20.A shopkeeper buys a pair of shoes for ₹1800 and sells it for ₹1440. Find the loss percent.
21. 21.A table fan marked at ₹3900 is sold for ₹2730. What is the discount percent?
22. 22.What is the difference between the compound interest and the simple interest on ₹21400 at 10% per year for 2 years (in ₹)?
23. 23.Find the amount when ₹13625 is invested at 20% per year compound interest for 3 years (in ₹).
24. 24.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
25. 25.6 years ago, Kavya’s mother was twice as old as Kavya. The mother is 24 years old now. How old is Kavya now?
26. 26.Diya is 10 years older than Saanvi. In 3 years, the sum of their ages will be 40. How old is Saanvi now?
27. 27.In how many years will ₹9700 earn ₹2910 as simple interest at 10% per year?
28. 28.The simple interest on ₹15700 for 1 year is ₹628. What is the rate of interest (% per year)?
29. 29.The simple interest on ₹1600 for 4 years is ₹128. What is the rate of interest (% per year)?
30. 30.A school bag bought for ₹280 is sold at a profit of 50%. What is the selling price (in ₹)?
31. 31.A town has 700 people. Its population grows by 10%. How many people live there now?
32. 32.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
33. 33.A price goes up by 20% and then goes up by 10% more. By what percent has it gone up in all? =
34. 34.What is the difference between the compound interest and the simple interest on ₹32900 at 10% per year for 2 years (in ₹)?
35. 35.A cricket bat is marked at ₹3580. The shop gives a 10% discount. How much do you pay (in ₹)?
36. 36.Marks of 5 friends in a quiz: 72, 95, 99, 77, 77. What is their average mark?
37. 37.A cricket bat bought for ₹1000 is sold at a loss of 15%. What is the selling price (in ₹)?
38. 38.A shopkeeper buys a pressure cooker for ₹1480 and sells it for ₹1924. Find the profit percent.
39. 39.A pressure cooker is marked at ₹1200. The shop gives a 10% discount. How much do you pay (in ₹)?
40. 40.The simple interest on ₹10800 for 1 year is ₹1620. What is the rate of interest (% per year)?

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