Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 896 · 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 compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
2. 2.The simple interest on ₹3700 for 4 years is ₹1628. What is the rate of interest (% per year)?
3. 3.After a 15% discount, a bicycle costs ₹3417. What was its marked price (in ₹)?
4. 4.Marks of 4 friends in a quiz: 66, 84, 69, 81. What is their average mark?
5. 5.A price goes up by 5% and then goes up by 25% more. By what percent has it gone up in all? =
6. 6.A price goes up by 5% and then goes up by 40% more. By what percent has it gone up in all? =
7. 7.2 years ago, Isha’s mother was four times as old as Isha. The mother is 18 years old now. How old is Isha now?
8. 8.A shopkeeper buys a bicycle for ₹1040 and sells it for ₹1092. Find the profit percent.
9. 9.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
10. 10.A pressure cooker marked at ₹1140 is sold for ₹969. What is the discount percent?
11. 11.Find the amount when ₹20625 is invested at 4% per year compound interest for 2 years (in ₹).
12. 12.By selling a cricket bat for ₹819, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
13. 13.The price of a school bag changes from ₹2400 to ₹1200. By what percent did it come down?
14. 14.A town has 760 people. Its population grows by 50%. How many people live there now?
15. 15.Change 18 km/h into metres per second.
16. 16.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
17. 17.A water tank holds 4960 litres. 25% of the water is used. How many litres are left?
18. 18.Kabir works three times as fast as Tara. Together they finish a job in 5 days. How many days would Tara take alone?
19. 19.Sneha works twice as fast as Arjun. Together they finish a job in 2 days. How many days would Arjun take alone?
20. 20.A town has 1640 people. Its population grows by 5%. How many people live there now?
21. 21.Tara can finish a job in 20 days and Farhan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
22. 22.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
23. 23.After a 50% discount, a school bag costs ₹2230. What was its marked price (in ₹)?
24. 24.Change 25 m/s into km/h.
25. 25.A water tank holds 2820 litres. 15% of the water is used. How many litres are left?
26. 26.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
27. 27.Find the simple interest on ₹5300 at 4% per year for 2 years (in ₹).
28. 28.What sum of money earns ₹828 simple interest in 3 years at 4% per year (in ₹)?
29. 29.A watch is marked at ₹560. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
30. 30.Find the compound interest on ₹36250 at 4% per year for 2 years, added every year (in ₹).
31. 31.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
32. 32.A bicycle is marked at ₹4760. The shop gives a 50% discount. How much do you pay (in ₹)?
33. 33.Find the compound interest on ₹32000 at 10% per year for 3 years, added every year (in ₹).
34. 34.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹40400 at 15% per year for 2 years (in ₹)?
36. 36.By selling a study lamp for ₹760, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
37. 37.The price of a bicycle is ₹4540. It goes up by 50%. What is the new price (in ₹)?
38. 38.Find the amount when ₹37200 is invested at 5% per year compound interest for 2 years (in ₹).
39. 39.The simple interest on ₹18100 for 2 years is ₹2534. What is the rate of interest (% per year)?
40. 40.Nisha is 2 years older than Saanvi. In 2 years, the sum of their ages will be 52. How old is Saanvi now?

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