Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 871 · 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.The average of 8 numbers is 40. When one more number is added, the average becomes 42. What number was added?
2. 2.Vivaan works twice as fast as Arjun. Together they finish a job in 3 days. How many days would Arjun take alone?
3. 3.By selling a bicycle for ₹742, a shopkeeper makes a loss of 30%. What did the bicycle cost the shopkeeper (in ₹)?
4. 4.Manav’s father is twice as old as Manav. The sum of their ages is 18 years. How old is the father?
5. 5.A shopkeeper buys a watch for ₹1960 and sells it for ₹2058. Find the profit percent.
6. 6.A car runs for 1 hour at 31 km/h and then for 1 hour at 63 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Kabir cycles to his school at 28 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
8. 8.What is the difference between the compound interest and the simple interest on ₹20000 at 12% per year for 2 years (in ₹)?
9. 9.Pooja’s father is three times as old as Pooja. The sum of their ages is 44 years. How old is the father?
10. 10.In how many years will ₹16100 earn ₹4186 as simple interest at 13% per year?
11. 11.Tara and Dev together finish a job in 15 days. Tara alone takes 20 days. How many days would Dev take alone?
12. 12.Ananya can finish a job in 19 days and Aarav in 6 days. What fraction of the job do they finish if they work together for 3 days? =
13. 13.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
14. 14.After a 30% discount, a pair of shoes costs ₹126. What was its marked price (in ₹)?
15. 15.Find the amount when ₹45840 is invested at 25% per year compound interest for 2 years (in ₹).
16. 16.A school bag bought for ₹1300 is sold at a loss of 5%. What is the selling price (in ₹)?
17. 17.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
18. 18.A shop sells 3160 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
19. 19.A shopkeeper buys a school bag for ₹60 and sells it for ₹69. Find the profit percent.
20. 20.A shop sells 2680 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
21. 21.The average of 8 numbers is 58. When one more number is added, the average becomes 60. What number was added?
22. 22.By selling a table fan for ₹1900, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
23. 23.A shop sells an average of 74 kg of sugar a day for 2 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
24. 24.How many minutes does a car take to go 108 km at 72 km/h?
25. 25.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
26. 26.Diya and Tara together finish a job in 4 days. Diya alone takes 6 days. How many days would Tara take alone?
27. 27.A study lamp bought for ₹2000 is sold at a loss of 10%. What is the selling price (in ₹)?
28. 28.Aarav can finish a job in 6 days and Sneha in 28 days. Aarav works alone for 3 days and then stops. Sneha finishes the rest. How many days does Sneha take?
29. 29.Priya can finish a job in 5 days and Rahul in 8 days. What fraction of the job do they finish if they work together for 3 days? =
30. 30.A shop sells an average of 28 kg of sugar a day for 4 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
31. 31.In how many years will ₹6800 earn ₹408 as simple interest at 3% per year?
32. 32.A pressure cooker bought for ₹600 is sold at a loss of 30%. What is the selling price (in ₹)?
33. 33.Ananya is 6 years older than Vivaan. In 8 years, the sum of their ages will be 42. How old is Vivaan now?
34. 34.A price goes up by 20% and then goes up by 50% more. By what percent has it gone up in all? =
35. 35.By selling a pair of shoes for ₹1190, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
36. 36.How many minutes does a car take to go 58 km at 30 km/h?
37. 37.A water tank holds 4960 litres. 50% of the water is used. How many litres are left?
38. 38.Marks of 6 friends in a quiz: 37, 34, 31, 29, 32, 11. What is their average mark?
39. 39.What is the difference between the compound interest and the simple interest on ₹44400 at 20% per year for 2 years (in ₹)?
40. 40.By selling a table fan for ₹1653, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?

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