Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 751 · 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.How many minutes does a car take to go 30 km at 75 km/h?
2. 2.Dev can finish a job in 5 days and Isha in 18 days. What fraction of the job do they finish if they work together for 2 days? =
3. 3.Change 90 km/h into metres per second.
4. 4.A pair of shoes bought for ₹140 is sold at a profit of 5%. What is the selling price (in ₹)?
5. 5.Aarav’s father is five times as old as Aarav. The sum of their ages is 48 years. How old is the father?
6. 6.By selling a watch for ₹960, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
7. 7.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
8. 8.Change 18 km/h into metres per second.
9. 9.By selling a study lamp for ₹138, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
10. 10.A water tank holds 2840 litres. 30% of the water is used. How many litres are left?
11. 11.What is the difference between the compound interest and the simple interest on ₹14000 at 25% per year for 2 years (in ₹)?
12. 12.A pair of shoes bought for ₹1060 is sold at a loss of 50%. What is the selling price (in ₹)?
13. 13.By selling a table fan for ₹2100, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
14. 14.The simple interest on ₹8600 for 3 years is ₹516. What is the rate of interest (% per year)?
15. 15.What is the difference between the compound interest and the simple interest on ₹45000 at 8% per year for 2 years (in ₹)?
16. 16.A shop sells an average of 24 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
17. 17.A car runs for 2 hours at 42 km/h and then for 2 hours at 50 km/h. What is its average speed for the whole journey (in km/h)?
18. 18.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
19. 19.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
20. 20.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
21. 21.In how many years will ₹9500 earn ₹2660 as simple interest at 7% per year?
22. 22.A bus runs at 90 km/h. How far does it go in 20 minutes (in km)?
23. 23.By selling a study lamp for ₹660, a shopkeeper makes a loss of 50%. What did the study lamp cost the shopkeeper (in ₹)?
24. 24.Find the amount when ₹10304 is invested at 25% per year compound interest for 3 years (in ₹).
25. 25.The simple interest on ₹11000 for 2 years is ₹1100. What is the rate of interest (% per year)?
26. 26.By selling a study lamp for ₹170, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
27. 27.Priya’s father is five times as old as Priya. The sum of their ages is 42 years. How old is the father?
28. 28.Marks of 4 friends in a quiz: 31, 45, 20, 40. What is their average mark?
29. 29.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
30. 30.By selling a school bag for ₹1782, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
31. 31.The price of a school bag changes from ₹460 to ₹575. By what percent did it go up?
32. 32.The price of a school bag changes from ₹500 to ₹425. By what percent did it come down?
33. 33.The price of a bicycle is ₹460. It goes up by 20%. What is the new price (in ₹)?
34. 34.Isha is 8 years older than Priya. In 3 years, the sum of their ages will be 74. How old is Priya now?
35. 35.A shop sells 1020 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
36. 36.The average of 6 numbers is 22. When one more number is added, the average becomes 27. What number was added?
37. 37.Find the amount when ₹4400 is invested at 5% per year compound interest for 2 years (in ₹).
38. 38.Find the amount when ₹11000 is invested at 10% per year compound interest for 3 years (in ₹).
39. 39.By selling a watch for ₹686, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
40. 40.The average of 7 numbers is 34. When one more number is added, the average becomes 35. What number was added?

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