Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 594 · 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.Manav can finish a job in 24 days and Dev in 12 days. Manav works alone for 6 days and then stops. Dev finishes the rest. How many days does Dev take?
2. 2.By selling a cricket bat for ₹759, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
3. 3.A water tank holds 3640 litres. 5% of the water is used. How many litres are left?
4. 4.A water tank holds 2660 litres. 30% of the water is used. How many litres are left?
5. 5.Nisha works twice as fast as Manav. Together they finish a job in 6 days. How many days would Manav take alone?
6. 6.Find the compound interest on ₹16000 at 5% per year for 3 years, added every year (in ₹).
7. 7.The price of a bicycle is ₹2640. It goes up by 5%. What is the new price (in ₹)?
8. 8.A price comes down by 15% and then comes down by 25% more. By what percent has it come down in all? =
9. 9.Kabir cycles to his school at 22 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.Change 10 m/s into km/h.
11. 11.What is the difference between the compound interest and the simple interest on ₹3600 at 5% per year for 2 years (in ₹)?
12. 12.A shop sells 2140 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
13. 13.Kabir cycles to his school at 90 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
14. 14.A car runs for 2 hours at 49 km/h and then for 2 hours at 67 km/h. What is its average speed for the whole journey (in km/h)?
15. 15.A cricket bat bought for ₹680 is sold at a loss of 10%. What is the selling price (in ₹)?
16. 16.Marks of 4 friends in a quiz: 41, 41, 44, 94. What is their average mark?
17. 17.3 years ago, Isha’s mother was four times as old as Isha. The mother is 31 years old now. How old is Isha now?
18. 18.Kabir cycles to his school at 75 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
19. 19.Zoya’s father is five times as old as Zoya. The sum of their ages is 30 years. How old is Zoya?
20. 20.Arjun can finish a job in 4 days and Rahul in 24 days. Arjun works alone for 1 day and then stops. Rahul finishes the rest. How many days does Rahul take?
21. 21.Marks of 6 friends in a quiz: 38, 38, 48, 53, 35, 22. What is their average mark?
22. 22.Diya puts ₹800 in a bank at 14% simple interest per year. How much will she have after 3 years (in ₹)?
23. 23.10 years ago, Ananya’s mother was three times as old as Ananya. The mother is 22 years old now. How old is Ananya now?
24. 24.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
25. 25.By selling a cricket bat for ₹1372, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹35900 at 10% per year for 2 years (in ₹)?
27. 27.A shopkeeper buys a pair of shoes for ₹560 and sells it for ₹532. Find the loss percent.
28. 28.By selling a bicycle for ₹310, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹25000 at 12% per year for 2 years (in ₹)?
30. 30.The price of a school bag changes from ₹4720 to ₹3304. By what percent did it come down?
31. 31.A price comes down by 30% and then comes down by 50% more. By what percent has it come down in all? =
32. 32.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
33. 33.Meera works three times as fast as Ananya. Together they finish a job in 11 days. How many days would Ananya take alone?
34. 34.The simple interest on ₹4500 for 2 years is ₹540. What is the rate of interest (% per year)?
35. 35.Arjun can finish a job in 2 days and Nisha in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.Marks of 6 friends in a quiz: 49, 29, 26, 51, 29, 62. What is their average mark?
37. 37.Rohan can finish a job in 6 days and Farhan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.By selling a school bag for ₹260, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
39. 39.Change 18 km/h into metres per second.
40. 40.Ishaan and Kabir together finish a job in 4 days. Ishaan alone takes 6 days. How many days would Kabir take alone?

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