Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 421 · 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.Zoya is 3 years older than Isha. In 10 years, the sum of their ages will be 53. How old is Isha now?
2. 2.The average of 5 numbers is 55. When one more number is added, the average becomes 61. What number was added?
3. 3.How many minutes does a car take to go 150 km at 45 km/h?
4. 4.How many minutes does a car take to go 63 km at 42 km/h?
5. 5.A price goes up by 40% and then goes up by 5% more. By what percent has it gone up in all? =
6. 6.A water tank holds 3840 litres. 20% of the water is used. How many litres are left?
7. 7.A town has 1440 people. Its population grows by 40%. How many people live there now?
8. 8.A school bag is marked at ₹565. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
9. 9.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
10. 10.A car runs for 3 hours at 55 km/h and then for 1 hour at 75 km/h. What is its average speed for the whole journey (in km/h)?
11. 11.Find the amount when ₹23200 is invested at 5% per year compound interest for 2 years (in ₹).
12. 12.Kabir can finish a job in 12 days and Ishaan in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
13. 13.Kavya and Ishaan together finish a job in 2 days. Kavya alone takes 3 days. How many days would Ishaan take alone?
14. 14.Change 90 km/h into metres per second.
15. 15.Find the amount when ₹24375 is invested at 4% per year compound interest for 2 years (in ₹).
16. 16.A cricket bat is marked at ₹3140. The shop gives a 30% discount. How much do you pay (in ₹)?
17. 17.In how many years will ₹18400 earn ₹2576 as simple interest at 7% per year?
18. 18.The price of a school bag changes from ₹280 to ₹308. By what percent did it go up?
19. 19.Find the amount when ₹37000 is invested at 10% per year compound interest for 3 years (in ₹).
20. 20.Marks of 4 friends in a quiz: 53, 77, 58, 68. What is their average mark?
21. 21.Find the amount when ₹29300 is invested at 10% per year compound interest for 2 years (in ₹).
22. 22.Find the simple interest on ₹13800 at 8% per year for 3 years (in ₹).
23. 23.A shop sells an average of 74 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
24. 24.In 22 years, Nisha will be three times as old as Nisha was 4 years ago. How old is Nisha now?
25. 25.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
26. 26.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
27. 27.In 5 years, Nisha will be twice as old as Nisha was 2 years ago. How old is Nisha now?
28. 28.In 1 years, Kabir will be twice as old as Kabir was 6 years ago. How old is Kabir now?
29. 29.Find the simple interest on ₹8300 at 15% per year for 4 years (in ₹).
30. 30.A watch bought for ₹780 is sold at a loss of 30%. What is the selling price (in ₹)?
31. 31.9 years ago, Isha’s mother was four times as old as Isha. The mother is 37 years old now. How old is Isha now?
32. 32.A shop sells an average of 70 kg of sugar a day for 6 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
33. 33.The price of a school bag changes from ₹2540 to ₹2286. By what percent did it come down?
34. 34.Find the amount when ₹9600 is invested at 5% per year compound interest for 2 years (in ₹).
35. 35.The price of a school bag changes from ₹4460 to ₹2230. By what percent did it come down?
36. 36.What is the difference between the compound interest and the simple interest on ₹22500 at 4% per year for 2 years (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹700 at 10% per year for 2 years (in ₹)?
38. 38.10 years ago, Farhan’s mother was twice as old as Farhan. The mother is 16 years old now. How old is Farhan now?
39. 39.What is the difference between the compound interest and the simple interest on ₹12000 at 10% per year for 2 years (in ₹)?
40. 40.A school bag marked at ₹1080 is sold for ₹1026. What is the discount percent?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude