Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 708 · 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 cricket bat is marked at ₹470. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
2. 2.The average of 5 numbers is 26. When one more number is added, the average becomes 27. What number was added?
3. 3.Ishaan’s father is five times as old as Ishaan. The sum of their ages is 48 years. How old is the father?
4. 4.In how many years will ₹6000 earn ₹3300 as simple interest at 11% per year?
5. 5.The price of a school bag changes from ₹1360 to ₹1088. By what percent did it come down?
6. 6.Marks of 5 friends in a quiz: 67, 68, 48, 43, 39. What is their average mark?
7. 7.A shop sells an average of 51 kg of sugar a day for 4 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
8. 8.Tara works three times as fast as Nisha. Together they finish a job in 5 days. How many days would Nisha take alone?
9. 9.Kabir cycles to his school at 90 km/h and comes back by the same road at 72 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.The simple interest on ₹17200 for 1 year is ₹860. What is the rate of interest (% per year)?
11. 11.A cricket bat marked at ₹2280 is sold for ₹1368. What is the discount percent?
12. 12.Isha is 3 years older than Vivaan. In 6 years, the sum of their ages will be 73. How old is Vivaan now?
13. 13.Kabir can finish a job in 18 days and Pooja in 9 days. Kabir works alone for 6 days and then stops. Pooja finishes the rest. How many days does Pooja take?
14. 14.Diya puts ₹18400 in a bank at 2% simple interest per year. How much will she have after 4 years (in ₹)?
15. 15.A bicycle is marked at ₹1300. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
16. 16.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
17. 17.By selling a cricket bat for ₹476, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
18. 18.Find the simple interest on ₹11500 at 14% per year for 1 year (in ₹).
19. 19.Change 5 m/s into km/h.
20. 20.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
21. 21.Change 20 m/s into km/h.
22. 22.In how many years will ₹6500 earn ₹1950 as simple interest at 10% per year?
23. 23.Diya puts ₹3100 in a bank at 5% simple interest per year. How much will she have after 5 years (in ₹)?
24. 24.Priya can finish a job in 16 days and Sneha in 24 days. Priya works alone for 12 days and then stops. Sneha finishes the rest. How many days does Sneha take?
25. 25.Nisha and Ishaan together finish a job in 2 days. Nisha alone takes 3 days. How many days would Ishaan take alone?
26. 26.A cricket bat bought for ₹1520 is sold at a loss of 20%. What is the selling price (in ₹)?
27. 27.The price of a school bag changes from ₹360 to ₹504. By what percent did it go up?
28. 28.The simple interest on ₹13100 for 5 years is ₹5240. What is the rate of interest (% per year)?
29. 29.A bus runs at 45 km/h. How far does it go in 40 minutes (in km)?
30. 30.After a 30% discount, a pair of shoes costs ₹140. What was its marked price (in ₹)?
31. 31.Saanvi can finish a job in 13 days and Sneha in 26 days. Saanvi works alone for 12 days and then stops. Sneha finishes the rest. How many days does Sneha take?
32. 32.What is the difference between the compound interest and the simple interest on ₹47500 at 8% per year for 2 years (in ₹)?
33. 33.The average of 8 numbers is 19. When one more number is added, the average becomes 20. What number was added?
34. 34.Saanvi can finish a job in 18 days and Nisha in 9 days. Saanvi works alone for 4 days and then stops. Nisha finishes the rest. How many days does Nisha take?
35. 35.In 29 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
36. 36.By selling a pair of shoes for ₹1020, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
37. 37.After a 40% discount, a pressure cooker costs ₹1884. What was its marked price (in ₹)?
38. 38.By selling a pair of shoes for ₹288, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
39. 39.What sum of money earns ₹2700 simple interest in 4 years at 15% per year (in ₹)?
40. 40.In how many years will ₹3300 earn ₹495 as simple interest at 3% per year?

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