Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 523 · 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.Change 54 km/h into metres per second.
2. 2.Change 20 m/s into km/h.
3. 3.Change 30 m/s into km/h.
4. 4.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
5. 5.4 years ago, Ananya’s mother was twice as old as Ananya. The mother is 10 years old now. How old is Ananya now?
6. 6.What is the difference between the compound interest and the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
7. 7.In 12 years, Kabir will be three times as old as Kabir was 6 years ago. How old is Kabir now?
8. 8.Aditya’s father is twice as old as Aditya. The sum of their ages is 15 years. How old is Aditya?
9. 9.By selling a pressure cooker for ₹2380, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
10. 10.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
11. 11.Change 18 km/h into metres per second.
12. 12.A pressure cooker bought for ₹180 is sold at a profit of 50%. What is the selling price (in ₹)?
13. 13.A car runs for 4 hours at 21 km/h and then for 1 hour at 46 km/h. What is its average speed for the whole journey (in km/h)?
14. 14.Kabir can finish a job in 4 days and Kavya in 16 days. Kabir works alone for 1 day and then stops. Kavya finishes the rest. How many days does Kavya take?
15. 15.Find the compound interest on ₹46875 at 4% per year for 3 years, added every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹6800 at 25% per year for 2 years (in ₹)?
17. 17.By selling a pair of shoes for ₹1386, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
18. 18.Marks of 6 friends in a quiz: 31, 48, 37, 44, 55, 49. What is their average mark?
19. 19.A car runs for 2 hours at 32 km/h and then for 4 hours at 68 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.After a 15% discount, a cricket bat costs ₹1411. What was its marked price (in ₹)?
21. 21.In 25 years, Ananya will be twice as old as Ananya was 2 years ago. How old is Ananya now?
22. 22.The average weight of 10 children is 44 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
23. 23.A price comes down by 50% and then comes down by 5% more. By what percent has it come down in all? =
24. 24.Zoya is 5 years older than Isha. In 3 years, the sum of their ages will be 53. How old is Isha now?
25. 25.Change 10 m/s into km/h.
26. 26.Saanvi and Zoya together finish a job in 21 days. Saanvi alone takes 30 days. How many days would Zoya take alone?
27. 27.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
28. 28.After a 10% discount, a watch costs ₹3942. What was its marked price (in ₹)?
29. 29.Aditya can finish a job in 14 days and Vivaan in 9 days. What fraction of the job do they finish if they work together for 2 days? =
30. 30.By selling a bicycle for ₹224, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
31. 31.A shop sells an average of 75 kg of sugar a day for 5 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
32. 32.Ananya can finish a job in 5 days and Aarav in 25 days. Ananya works alone for 1 day and then stops. Aarav finishes the rest. How many days does Aarav take?
33. 33.Ananya’s batting average after 11 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 26?
34. 34.A water tank holds 2660 litres. 20% of the water is used. How many litres are left?
35. 35.Karan works three times as fast as Diya. Together they finish a job in 3 days. How many days would Diya take alone?
36. 36.Find the simple interest on ₹2100 at 5% per year for 2 years (in ₹).
37. 37.In 16 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
38. 38.A water tank holds 1360 litres. 30% of the water is used. How many litres are left?
39. 39.Meera’s father is three times as old as Meera. The sum of their ages is 52 years. How old is Meera?
40. 40.What sum of money earns ₹640 simple interest in 2 years at 8% per year (in ₹)?

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