Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 422 · 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.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
2. 2.In how many years will ₹3100 earn ₹620 as simple interest at 4% per year?
3. 3.Meera works three times as fast as Ananya. Together they finish a job in 2 days. How many days would Ananya take alone?
4. 4.A pair of shoes is marked at ₹3240. The shop gives a 40% discount. How much do you pay (in ₹)?
5. 5.A shop sells an average of 77 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
6. 6.Aarav’s father is four times as old as Aarav. The sum of their ages is 25 years. How old is the father?
7. 7.Kavya and Aditya together finish a job in 3 days. Kavya alone takes 4 days. How many days would Aditya take alone?
8. 8.Rahul and Karan together finish a job in 2 days. Rahul alone takes 3 days. How many days would Karan take alone?
9. 9.Pooja and Aarav together finish a job in 2 days. Pooja alone takes 4 days. How many days would Aarav take alone?
10. 10.By selling a watch for ₹2000, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
11. 11.Diya puts ₹10500 in a bank at 8% simple interest per year. How much will she have after 4 years (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹37800 at 20% per year for 2 years (in ₹)?
13. 13.A watch is marked at ₹2960. The shop gives a 25% discount. How much do you pay (in ₹)?
14. 14.Pooja is 10 years older than Ananya. In 10 years, the sum of their ages will be 42. How old is Ananya now?
15. 15.The average weight of 11 children is 39 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
16. 16.The price of a school bag changes from ₹3200 to ₹2240. By what percent did it come down?
17. 17.In how many years will ₹900 earn ₹36 as simple interest at 2% per year?
18. 18.In how many years will ₹10400 earn ₹5720 as simple interest at 11% per year?
19. 19.A shopkeeper buys a cricket bat for ₹1980 and sells it for ₹1386. Find the loss percent.
20. 20.A shop sells an average of 29 kg of sugar a day for 4 days, and then 39 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
21. 21.A water tank holds 3140 litres. 10% of the water is used. How many litres are left?
22. 22.How many minutes does a car take to go 28 km at 80 km/h?
23. 23.Change 5 m/s into km/h.
24. 24.Zoya and Rohan together finish a job in 6 days. Zoya alone takes 7 days. How many days would Rohan take alone?
25. 25.Change 20 m/s into km/h.
26. 26.A cricket bat is marked at ₹420. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
27. 27.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
28. 28.A shopkeeper buys a bicycle for ₹1860 and sells it for ₹2046. Find the profit percent.
29. 29.A bicycle is marked at ₹1000. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
30. 30.The average of 5 numbers is 48. When one more number is added, the average becomes 54. What number was added?
31. 31.Karan can finish a job in 8 days and Pooja in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.A water tank holds 1400 litres. 20% of the water is used. How many litres are left?
33. 33.Kabir works twice as fast as Farhan. Together they finish a job in 10 days. How many days would Farhan take alone?
34. 34.The average of 5 numbers is 60. When one more number is added, the average becomes 66. What number was added?
35. 35.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
36. 36.The average of 4 numbers is 44. When one more number is added, the average becomes 45. What number was added?
37. 37.The price of a school bag changes from ₹3840 to ₹4992. By what percent did it go up?
38. 38.A shopkeeper buys a table fan for ₹1480 and sells it for ₹1850. Find the profit percent.
39. 39.A water tank holds 1780 litres. 10% of the water is used. How many litres are left?
40. 40.Marks of 6 friends in a quiz: 25, 22, 22, 38, 19, 12. What is their average mark?

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