Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 29 · 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.Tara can finish a job in 15 days and Sneha in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
2. 2.The average of 8 numbers is 28. When one more number is added, the average becomes 33. What number was added?
3. 3.The average of 4 numbers is 54. When one more number is added, the average becomes 59. What number was added?
4. 4.The simple interest on ₹12500 for 4 years is ₹6500. What is the rate of interest (% per year)?
5. 5.5 years ago, Zoya’s mother was three times as old as Zoya. The mother is 26 years old now. How old is Zoya now?
6. 6.By selling a watch for ₹312, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
7. 7.Vivaan can finish a job in 18 days and Aarav in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
8. 8.Change 72 km/h into metres per second.
9. 9.By selling a school bag for ₹48, a shopkeeper makes a loss of 20%. What did the school bag cost the shopkeeper (in ₹)?
10. 10.Find the simple interest on ₹15300 at 13% per year for 2 years (in ₹).
11. 11.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
12. 12.The price of a school bag changes from ₹1420 to ₹1633. By what percent did it go up?
13. 13.The average of 5 numbers is 26. When one more number is added, the average becomes 29. What number was added?
14. 14.A car runs for 2 hours at 48 km/h and then for 1 hour at 54 km/h. What is its average speed for the whole journey (in km/h)?
15. 15.Priya’s father is four times as old as Priya. The sum of their ages is 50 years. How old is the father?
16. 16.By selling a watch for ₹1691, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
17. 17.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
18. 18.In 14 years, Rahul will be three times as old as Rahul was 2 years ago. How old is Rahul now?
19. 19.A car runs for 1 hour at 80 km/h and then for 3 hours at 32 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.A pressure cooker bought for ₹1740 is sold at a profit of 30%. What is the selling price (in ₹)?
21. 21.The price of a bicycle is ₹2120. It goes up by 25%. What is the new price (in ₹)?
22. 22.By selling a study lamp for ₹1512, a shopkeeper makes a profit of 40%. What did the study lamp cost the shopkeeper (in ₹)?
23. 23.By selling a bicycle for ₹2744, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
24. 24.Arjun is 9 years older than Isha. In 3 years, the sum of their ages will be 43. How old is Isha now?
25. 25.Diya’s father is twice as old as Diya. The sum of their ages is 15 years. How old is Diya?
26. 26.In 23 years, Rahul will be twice as old as Rahul was 3 years ago. How old is Rahul now?
27. 27.A water tank holds 240 litres. 5% of the water is used. How many litres are left?
28. 28.A price goes up by 15% and then goes up by 10% more. By what percent has it gone up in all? =
29. 29.Change 108 km/h into metres per second.
30. 30.Find the simple interest on ₹4600 at 2% per year for 3 years (in ₹).
31. 31.Find the amount when ₹9200 is invested at 15% per year compound interest for 2 years (in ₹).
32. 32.A town has 340 people. Its population grows by 10%. How many people live there now?
33. 33.By selling a pair of shoes for ₹1558, a shopkeeper makes a loss of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
34. 34.By selling a bicycle for ₹2400, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
35. 35.Farhan works three times as fast as Ishaan. Together they finish a job in 12 days. How many days would Ishaan take alone?
36. 36.Priya works twice as fast as Aditya. Together they finish a job in 12 days. How many days would Aditya take alone?
37. 37.A shop sells an average of 25 kg of sugar a day for 4 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
38. 38.A shopkeeper buys a watch for ₹1000 and sells it for ₹750. Find the loss percent.
39. 39.7 years ago, Ananya’s mother was three times as old as Ananya. The mother is 31 years old now. How old is Ananya now?
40. 40.Change 25 m/s into km/h.

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