Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 719 · 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.The average of 6 numbers is 55. When one more number is added, the average becomes 56. What number was added?
2. 2.Meera is 4 years older than Vivaan. In 9 years, the sum of their ages will be 50. How old is Vivaan now?
3. 3.By selling a pair of shoes for ₹1600, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
4. 4.A cricket bat marked at ₹3540 is sold for ₹2478. What is the discount percent?
5. 5.What sum of money earns ₹4800 simple interest in 2 years at 12% per year (in ₹)?
6. 6.Change 30 m/s into km/h.
7. 7.A bicycle marked at ₹1280 is sold for ₹1216. What is the discount percent?
8. 8.How many minutes does a car take to go 72 km at 30 km/h?
9. 9.What is the difference between the compound interest and the simple interest on ₹13200 at 15% per year for 2 years (in ₹)?
10. 10.After a 15% discount, a watch costs ₹2839. What was its marked price (in ₹)?
11. 11.A bus runs at 54 km/h. How far does it go in 40 minutes (in km)?
12. 12.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
13. 13.The simple interest on ₹16500 for 4 years is ₹1980. What is the rate of interest (% per year)?
14. 14.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?
15. 15.Find the amount when ₹35100 is invested at 10% per year compound interest for 2 years (in ₹).
16. 16.A water tank holds 560 litres. 40% of the water is used. How many litres are left?
17. 17.By selling a school bag for ₹1416, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
18. 18.The average weight of 12 children is 41 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
19. 19.By selling a table fan for ₹1344, a shopkeeper makes a profit of 20%. What did the table fan cost the shopkeeper (in ₹)?
20. 20.Nisha can finish a job in 12 days and Priya in 18 days. Nisha works alone for 8 days and then stops. Priya finishes the rest. How many days does Priya take?
21. 21.A school bag bought for ₹800 is sold at a loss of 15%. What is the selling price (in ₹)?
22. 22.What sum of money earns ₹1320 simple interest in 2 years at 6% per year (in ₹)?
23. 23.A price comes down by 15% and then comes down by 5% more. By what percent has it come down in all? =
24. 24.By selling a watch for ₹2744, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
25. 25.A shop sells an average of 62 kg of sugar a day for 3 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
26. 26.A shopkeeper buys a cricket bat for ₹1540 and sells it for ₹770. Find the loss percent.
27. 27.By selling a school bag for ₹54, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
28. 28.The price of a school bag changes from ₹3140 to ₹3297. By what percent did it go up?
29. 29.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
30. 30.Marks of 6 friends in a quiz: 22, 18, 16, 31, 36, 57. What is their average mark?
31. 31.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
32. 32.In 6 years, Ananya will be three times as old as Ananya was 4 years ago. How old is Ananya now?
33. 33.A shop sells an average of 22 kg of sugar a day for 5 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
34. 34.Rohan’s father is twice as old as Rohan. The sum of their ages is 27 years. How old is Rohan?
35. 35.A shopkeeper buys a cricket bat for ₹1860 and sells it for ₹2604. Find the profit percent.
36. 36.2 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 12 years old now. How old is Saanvi now?
37. 37.The price of a school bag changes from ₹5000 to ₹6250. By what percent did it go up?
38. 38.Marks of 4 friends in a quiz: 46, 72, 55, 67. What is their average mark?
39. 39.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
40. 40.Rohan works twice as fast as Pooja. Together they finish a job in 6 days. How many days would Pooja take alone?

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