Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 424 · 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 8% per year compound interest for 3 years (in ₹).
2. 2.A school bag bought for ₹420 is sold at a profit of 50%. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a watch for ₹1180 and sells it for ₹1062. Find the loss percent.
4. 4.Change 25 m/s into km/h.
5. 5.How many minutes does a car take to go 91 km at 42 km/h?
6. 6.A pair of shoes bought for ₹1660 is sold at a loss of 40%. What is the selling price (in ₹)?
7. 7.The simple interest on ₹17800 for 2 years is ₹1780. What is the rate of interest (% per year)?
8. 8.Kabir cycles to his school at 30 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 70 years. How old is Saanvi?
10. 10.What sum of money earns ₹729 simple interest in 1 year at 9% per year (in ₹)?
11. 11.A pair of shoes is marked at ₹544. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
12. 12.By selling a pair of shoes for ₹630, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
13. 13.Find the compound interest on ₹10800 at 10% per year for 2 years, added every year (in ₹).
14. 14.By selling a bicycle for ₹630, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹2000 at 25% per year for 2 years (in ₹)?
16. 16.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
17. 17.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
18. 18.Marks of 6 friends in a quiz: 32, 51, 47, 30, 23, 33. What is their average mark?
19. 19.Change 18 km/h into metres per second.
20. 20.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?
21. 21.After a 30% discount, a cricket bat costs ₹3206. What was its marked price (in ₹)?
22. 22.By selling a watch for ₹160, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
23. 23.The price of a school bag changes from ₹3640 to ₹2912. By what percent did it come down?
24. 24.By selling a bicycle for ₹980, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
25. 25.Diya puts ₹3300 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
26. 26.A shopkeeper buys a bicycle for ₹1320 and sells it for ₹1254. Find the loss percent.
27. 27.Change 5 m/s into km/h.
28. 28.Kabir cycles to his school at 35 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.A shop sells an average of 28 kg of sugar a day for 4 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
30. 30.By selling a bicycle for ₹1248, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
31. 31.Ananya can finish a job in 18 days and Meera in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
34. 34.Kabir cycles to his school at 60 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
35. 35.Nisha can finish a job in 14 days and Ananya in 21 days. Nisha works alone for 4 days and then stops. Ananya finishes the rest. How many days does Ananya take?
36. 36.Find the compound interest on ₹17250 at 20% per year for 3 years, added every year (in ₹).
37. 37.What sum of money earns ₹1044 simple interest in 2 years at 9% per year (in ₹)?
38. 38.A price comes down by 10% and then comes down by 30% more. By what percent has it come down in all? =
39. 39.Nisha and Farhan together finish a job in 3 days. Nisha alone takes 4 days. How many days would Farhan take alone?
40. 40.Farhan and Diya together finish a job in 3 days. Farhan alone takes 4 days. How many days would Diya take alone?

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