Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 492 · 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.Marks of 6 friends in a quiz: 80, 77, 65, 86, 64, 84. What is their average mark?
2. 2.In how many years will ₹5500 earn ₹3575 as simple interest at 13% per year?
3. 3.A shopkeeper buys a watch for ₹1460 and sells it for ₹1898. Find the profit percent.
4. 4.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
5. 5.A price comes down by 20% and then comes down by 30% more. By what percent has it come down in all? =
6. 6.A shop sells 520 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
7. 7.Vivaan can finish a job in 7 days and Ishaan in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
8. 8.Change 30 m/s into km/h.
9. 9.Rahul can finish a job in 8 days and Rohan in 13 days. What fraction of the job do they finish if they work together for 1 day? =
10. 10.Change 90 km/h into metres per second.
11. 11.Marks of 6 friends in a quiz: 16, 26, 17, 14, 36, 29. What is their average mark?
12. 12.Tara works three times as fast as Sneha. Together they finish a job in 6 days. How many days would Sneha take alone?
13. 13.By selling a table fan for ₹875, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
14. 14.A cricket bat marked at ₹860 is sold for ₹516. What is the discount percent?
15. 15.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
16. 16.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)?
17. 17.What is the difference between the compound interest and the simple interest on ₹48400 at 25% per year for 2 years (in ₹)?
18. 18.Manav can finish a job in 8 days and Farhan in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
20. 20.After a 5% discount, a cricket bat costs ₹3002. What was its marked price (in ₹)?
21. 21.In 4 years, Karan will be twice as old as Karan was 6 years ago. How old is Karan now?
22. 22.7 years ago, Diya’s mother was twice as old as Diya. The mother is 19 years old now. How old is Diya now?
23. 23.The average weight of 11 children is 38 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
24. 24.A water tank holds 4380 litres. 10% of the water is used. How many litres are left?
25. 25.How many minutes does a car take to go 35 km at 42 km/h?
26. 26.Change 54 km/h into metres per second.
27. 27.A town has 860 people. Its population grows by 10%. How many people live there now?
28. 28.A bus runs at 44 km/h. How far does it go in 30 minutes (in km)?
29. 29.Find the compound interest on ₹21200 at 15% per year for 2 years, added every year (in ₹).
30. 30.What sum of money earns ₹3640 simple interest in 5 years at 14% per year (in ₹)?
31. 31.A bus runs at 88 km/h. How far does it go in 30 minutes (in km)?
32. 32.A pressure cooker marked at ₹780 is sold for ₹702. What is the discount percent?
33. 33.Farhan can finish a job in 14 days and Rahul in 21 days. Farhan works alone for 2 days and then stops. Rahul finishes the rest. How many days does Rahul take?
34. 34.Change 10 m/s into km/h.
35. 35.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
36. 36.Kabir can finish a job in 5 days and Isha in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
37. 37.A bus runs at 88 km/h. How far does it go in 15 minutes (in km)?
38. 38.Kabir is 3 years older than Kavya. In 10 years, the sum of their ages will be 37. How old is Kavya now?
39. 39.Kabir cycles to his school at 12 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
40. 40.Marks of 4 friends in a quiz: 27, 24, 46, 51. What is their average mark?

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