Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 714 · 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.Diya puts ₹5400 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
2. 2.Rohan’s batting average after 10 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 47?
3. 3.A bicycle marked at ₹880 is sold for ₹748. What is the discount percent?
4. 4.A price comes down by 25% and then comes down by 25% more. By what percent has it come down in all? =
5. 5.Sneha and Rahul together finish a job in 4 days. Sneha alone takes 12 days. How many days would Rahul take alone?
6. 6.A shop sells an average of 80 kg of sugar a day for 3 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
7. 7.A table fan bought for ₹1080 is sold at a loss of 40%. What is the selling price (in ₹)?
8. 8.The average weight of 7 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
9. 9.A town has 3420 people. Its population grows by 40%. How many people live there now?
10. 10.A town has 3480 people. Its population grows by 40%. How many people live there now?
11. 11.Rohan and Nisha together finish a job in 6 days. Rohan alone takes 24 days. How many days would Nisha take alone?
12. 12.Diya puts ₹3400 in a bank at 9% simple interest per year. How much will she have after 5 years (in ₹)?
13. 13.A water tank holds 860 litres. 10% of the water is used. How many litres are left?
14. 14.A water tank holds 4460 litres. 15% of the water is used. How many litres are left?
15. 15.Isha and Arjun together finish a job in 2 days. Isha alone takes 6 days. How many days would Arjun take alone?
16. 16.A watch bought for ₹140 is sold at a loss of 10%. What is the selling price (in ₹)?
17. 17.Kabir is 4 years older than Isha. In 10 years, the sum of their ages will be 56. How old is Isha now?
18. 18.What sum of money earns ₹360 simple interest in 5 years at 4% per year (in ₹)?
19. 19.Kabir can finish a job in 6 days and Isha in 12 days. What fraction of the job do they finish if they work together for 1 day? =
20. 20.A town has 320 people. Its population grows by 50%. How many people live there now?
21. 21.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
22. 22.What is the difference between the compound interest and the simple interest on ₹19300 at 10% per year for 2 years (in ₹)?
23. 23.A shopkeeper buys a watch for ₹460 and sells it for ₹276. Find the loss percent.
24. 24.In how many years will ₹1900 earn ₹38 as simple interest at 2% per year?
25. 25.A shopkeeper buys a pressure cooker for ₹580 and sells it for ₹551. Find the loss percent.
26. 26.In how many years will ₹14300 earn ₹429 as simple interest at 3% per year?
27. 27.By selling a pressure cooker for ₹1248, a shopkeeper makes a profit of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
28. 28.The price of a school bag changes from ₹1000 to ₹1200. By what percent did it go up?
29. 29.The average weight of 10 children is 38 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
30. 30.Marks of 4 friends in a quiz: 60, 83, 69, 60. What is their average mark?
31. 31.Aditya can finish a job in 5 days and Kabir in 15 days. What fraction of the job do they finish if they work together for 3 days? =
32. 32.The price of a bicycle is ₹1740. It goes up by 25%. What is the new price (in ₹)?
33. 33.A price comes down by 10% and then comes down by 30% more. By what percent has it come down in all? =
34. 34.The simple interest on ₹3200 for 3 years is ₹1344. What is the rate of interest (% per year)?
35. 35.Find the compound interest on ₹34375 at 8% per year for 2 years, added every year (in ₹).
36. 36.A watch marked at ₹220 is sold for ₹132. What is the discount percent?
37. 37.A shop sells 4820 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
38. 38.By selling a bicycle for ₹364, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
39. 39.Tara can finish a job in 14 days and Kabir in 28 days. Tara works alone for 4 days and then stops. Kabir finishes the rest. How many days does Kabir take?
40. 40.Sneha’s father is three times as old as Sneha. The sum of their ages is 36 years. How old is Sneha?

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