Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 349 · 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.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
2. 2.What sum of money earns ₹81 simple interest in 1 year at 3% per year (in ₹)?
3. 3.A town has 4860 people. Its population grows by 25%. How many people live there now?
4. 4.A shopkeeper buys a pressure cooker for ₹1180 and sells it for ₹1003. Find the loss percent.
5. 5.Marks of 6 friends in a quiz: 23, 33, 19, 38, 28, 33. What is their average mark?
6. 6.A price goes up by 40% and then goes up by 15% more. By what percent has it gone up in all? =
7. 7.Change 15 m/s into km/h.
8. 8.Diya can finish a job in 15 days and Isha in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
10. 10.By selling a study lamp for ₹336, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
11. 11.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
12. 12.The price of a bicycle is ₹2280. It goes up by 15%. What is the new price (in ₹)?
13. 13.Change 40 m/s into km/h.
14. 14.Arjun works three times as fast as Aditya. Together they finish a job in 8 days. How many days would Aditya take alone?
15. 15.A shop sells 1980 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
16. 16.Find the simple interest on ₹19100 at 15% per year for 2 years (in ₹).
17. 17.Meera is 10 years older than Dev. In 2 years, the sum of their ages will be 26. How old is Dev now?
18. 18.Diya puts ₹15700 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
19. 19.After a 15% discount, a pair of shoes costs ₹527. What was its marked price (in ₹)?
20. 20.In 27 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?
21. 21.Find the amount when ₹11300 is invested at 10% per year compound interest for 2 years (in ₹).
22. 22.Find the simple interest on ₹1400 at 8% per year for 5 years (in ₹).
23. 23.Find the amount when ₹7625 is invested at 20% per year compound interest for 2 years (in ₹).
24. 24.A car runs for 3 hours at 46 km/h and then for 1 hour at 66 km/h. What is its average speed for the whole journey (in km/h)?
25. 25.Dev’s father is four times as old as Dev. The sum of their ages is 60 years. How old is Dev?
26. 26.By selling a watch for ₹464, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
27. 27.Sneha and Rahul together finish a job in 7 days. Sneha alone takes 8 days. How many days would Rahul take alone?
28. 28.A bus runs at 46 km/h. How far does it go in 90 minutes (in km)?
29. 29.A shopkeeper buys a pressure cooker for ₹580 and sells it for ₹725. Find the profit percent.
30. 30.A water tank holds 4740 litres. 5% of the water is used. How many litres are left?
31. 31.A car runs for 2 hours at 63 km/h and then for 2 hours at 31 km/h. What is its average speed for the whole journey (in km/h)?
32. 32.By selling a pair of shoes for ₹810, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
33. 33.A shop sells an average of 73 kg of sugar a day for 2 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
34. 34.The average weight of 9 children is 40 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
35. 35.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
36. 36.Rahul can finish a job in 6 days and Karan in 18 days. What fraction of the job do they finish if they work together for 1 day? =
37. 37.What sum of money earns ₹648 simple interest in 3 years at 4% per year (in ₹)?
38. 38.Aarav’s batting average after 11 innings is 32 runs. How many runs must Aarav score in the next innings to raise the average to 36?
39. 39.Change 36 km/h into metres per second.
40. 40.A price comes down by 5% and then comes down by 15% more. By what percent has it come down in all? =

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