Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 841 · 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 pair of shoes marked at ₹4060 is sold for ₹3045. What is the discount percent?
2. 2.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
3. 3.After a 5% discount, a watch costs ₹3154. What was its marked price (in ₹)?
4. 4.Sneha’s batting average after 14 innings is 49 runs. How many runs must Sneha score in the next innings to raise the average to 53?
5. 5.A bicycle marked at ₹4340 is sold for ₹3689. What is the discount percent?
6. 6.By selling a study lamp for ₹364, a shopkeeper makes a profit of 30%. What did the study lamp cost the shopkeeper (in ₹)?
7. 7.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
8. 8.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
9. 9.Saanvi’s batting average after 10 innings is 27 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
10. 10.Kabir can finish a job in 18 days and Aarav in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.A water tank holds 4720 litres. 50% of the water is used. How many litres are left?
12. 12.After a 10% discount, a cricket bat costs ₹4104. What was its marked price (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹27500 at 8% per year for 2 years (in ₹)?
14. 14.In 19 years, Diya will be twice as old as Diya was 4 years ago. How old is Diya now?
15. 15.Find the compound interest on ₹26400 at 5% per year for 2 years, added every year (in ₹).
16. 16.A shopkeeper buys a bicycle for ₹900 and sells it for ₹765. Find the loss percent.
17. 17.Change 108 km/h into metres per second.
18. 18.In 19 years, Dev will be twice as old as Dev was 2 years ago. How old is Dev now?
19. 19.A water tank holds 220 litres. 5% of the water is used. How many litres are left?
20. 20.Find the simple interest on ₹17300 at 4% per year for 4 years (in ₹).
21. 21.Nisha is 5 years older than Rohan. In 4 years, the sum of their ages will be 73. How old is Rohan now?
22. 22.What is the difference between the compound interest and the simple interest on ₹22900 at 20% per year for 2 years (in ₹)?
23. 23.In how many years will ₹12400 earn ₹2480 as simple interest at 10% per year?
24. 24.Saanvi can finish a job in 7 days and Manav in 10 days. What fraction of the job do they finish if they work together for 3 days? =
25. 25.Pooja and Rahul together finish a job in 2 days. Pooja alone takes 3 days. How many days would Rahul take alone?
26. 26.Change 36 km/h into metres per second.
27. 27.The price of a bicycle is ₹4400. It goes up by 10%. What is the new price (in ₹)?
28. 28.Farhan and Diya together finish a job in 6 days. Farhan alone takes 18 days. How many days would Diya take alone?
29. 29.A shopkeeper buys a cricket bat for ₹1520 and sells it for ₹1672. Find the profit percent.
30. 30.Find the compound interest on ₹31250 at 4% per year for 2 years, added every year (in ₹).
31. 31.The average of 4 numbers is 57. When one more number is added, the average becomes 58. What number was added?
32. 32.Arjun can finish a job in 9 days and Meera in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
33. 33.Aarav’s batting average after 7 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 45?
34. 34.The average of 6 numbers is 51. When one more number is added, the average becomes 54. What number was added?
35. 35.What is the difference between the compound interest and the simple interest on ₹48800 at 15% per year for 2 years (in ₹)?
36. 36.A bus runs at 76 km/h. How far does it go in 45 minutes (in km)?
37. 37.Find the amount when ₹45000 is invested at 10% per year compound interest for 3 years (in ₹).
38. 38.The price of a school bag changes from ₹1160 to ₹1624. By what percent did it go up?
39. 39.8 years ago, Isha’s mother was three times as old as Isha. The mother is 32 years old now. How old is Isha now?
40. 40.A town has 2360 people. Its population grows by 40%. How many people live there now?

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