Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 648 · 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 town has 300 people. Its population grows by 20%. How many people live there now?
2. 2.Change 108 km/h into metres per second.
3. 3.Kabir cycles to his school at 50 km/h and comes back by the same road at 75 km/h. What is his average speed for the whole trip (in km/h)?
4. 4.A pair of shoes bought for ₹140 is sold at a loss of 25%. What is the selling price (in ₹)?
5. 5.Aditya can finish a job in 8 days and Karan in 16 days. What fraction of the job do they finish if they work together for 1 day? =
6. 6.A water tank holds 740 litres. 30% of the water is used. How many litres are left?
7. 7.The average of 5 numbers is 60. When one more number is added, the average becomes 61. What number was added?
8. 8.Kavya can finish a job in 20 days and Aarav in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.A school bag is marked at ₹450. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
10. 10.A shopkeeper buys a pressure cooker for ₹1980 and sells it for ₹1485. Find the loss percent.
11. 11.A cricket bat is marked at ₹1000. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
12. 12.Isha is 8 years older than Saanvi. In 3 years, the sum of their ages will be 58. How old is Saanvi now?
13. 13.Aditya’s father is twice as old as Aditya. The sum of their ages is 30 years. How old is Aditya?
14. 14.By selling a cricket bat for ₹450, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
15. 15.A water tank holds 4700 litres. 20% of the water is used. How many litres are left?
16. 16.Sneha can finish a job in 4 days and Aditya in 20 days. Sneha works alone for 3 days and then stops. Aditya finishes the rest. How many days does Aditya take?
17. 17.Kavya is 3 years older than Diya. In 6 years, the sum of their ages will be 75. How old is Diya now?
18. 18.Kabir cycles to his school at 45 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
19. 19.Rohan and Ananya together finish a job in 6 days. Rohan alone takes 7 days. How many days would Ananya take alone?
20. 20.By selling a pressure cooker for ₹1232, a shopkeeper makes a profit of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
21. 21.Nisha’s batting average after 10 innings is 33 runs. How many runs must Nisha score in the next innings to raise the average to 36?
22. 22.Change 72 km/h into metres per second.
23. 23.Find the simple interest on ₹8300 at 14% per year for 1 year (in ₹).
24. 24.Arjun’s batting average after 7 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 25?
25. 25.What is the difference between the compound interest and the simple interest on ₹3500 at 20% per year for 2 years (in ₹)?
26. 26.Find the amount when ₹47000 is invested at 10% per year compound interest for 3 years (in ₹).
27. 27.In 29 years, Diya will be three times as old as Diya was 5 years ago. How old is Diya now?
28. 28.Kabir cycles to his school at 48 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.Find the amount when ₹23375 is invested at 20% per year compound interest for 3 years (in ₹).
30. 30.The price of a bicycle is ₹1460. It goes up by 5%. What is the new price (in ₹)?
31. 31.The simple interest on ₹12500 for 5 years is ₹8125. What is the rate of interest (% per year)?
32. 32.Change 18 km/h into metres per second.
33. 33.The price of a school bag changes from ₹520 to ₹780. By what percent did it go up?
34. 34.Find the compound interest on ₹40000 at 10% per year for 2 years, added every year (in ₹).
35. 35.A price goes up by 25% and then goes up by 5% more. By what percent has it gone up in all? =
36. 36.The simple interest on ₹1800 for 2 years is ₹180. What is the rate of interest (% per year)?
37. 37.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
38. 38.In how many years will ₹1100 earn ₹33 as simple interest at 3% per year?
39. 39.A shopkeeper buys a school bag for ₹240 and sells it for ₹300. Find the profit percent.
40. 40.Marks of 4 friends in a quiz: 84, 94, 69, 77. What is their average mark?

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