Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 954 · 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.A water tank holds 2140 litres. 30% of the water is used. How many litres are left?
2. 2.Diya puts ₹17100 in a bank at 13% simple interest per year. How much will she have after 1 year (in ₹)?
3. 3.By selling a bicycle for ₹2064, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
4. 4.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
5. 5.Find the compound interest on ₹42925 at 20% per year for 2 years, added every year (in ₹).
6. 6.Farhan’s father is four times as old as Farhan. The sum of their ages is 35 years. How old is the father?
7. 7.A water tank holds 360 litres. 40% of the water is used. How many litres are left?
8. 8.Aarav’s father is three times as old as Aarav. The sum of their ages is 48 years. How old is the father?
9. 9.After a 20% discount, a watch costs ₹1568. What was its marked price (in ₹)?
10. 10.The simple interest on ₹5500 for 3 years is ₹495. What is the rate of interest (% per year)?
11. 11.Nisha’s batting average after 5 innings is 35 runs. How many runs must Nisha score in the next innings to raise the average to 38?
12. 12.After a 50% discount, a table fan costs ₹1870. What was its marked price (in ₹)?
13. 13.A price goes up by 30% and then goes up by 20% more. By what percent has it gone up in all? =
14. 14.The simple interest on ₹9600 for 4 years is ₹1152. What is the rate of interest (% per year)?
15. 15.The average weight of 7 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
16. 16.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 42 years. How old is the father?
17. 17.Dev can finish a job in 9 days and Meera in 20 days. What fraction of the job do they finish if they work together for 1 day? =
18. 18.The simple interest on ₹3200 for 1 year is ₹288. What is the rate of interest (% per year)?
19. 19.Nisha works three times as fast as Kavya. Together they finish a job in 4 days. How many days would Kavya take alone?
20. 20.Rahul’s batting average after 13 innings is 48 runs. How many runs must Rahul score in the next innings to raise the average to 52?
21. 21.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
22. 22.Change 30 m/s into km/h.
23. 23.A shop sells an average of 26 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
24. 24.A water tank holds 1580 litres. 10% of the water is used. How many litres are left?
25. 25.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
26. 26.A cricket bat is marked at ₹1440. The shop gives a 40% discount. How much do you pay (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
28. 28.Diya puts ₹5300 in a bank at 10% simple interest per year. How much will she have after 2 years (in ₹)?
29. 29.A shopkeeper buys a watch for ₹620 and sells it for ₹589. Find the loss percent.
30. 30.The price of a school bag changes from ₹3040 to ₹3496. By what percent did it go up?
31. 31.Find the amount when ₹2500 is invested at 4% per year compound interest for 2 years (in ₹).
32. 32.Diya puts ₹18600 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
33. 33.The average of 8 numbers is 32. When one more number is added, the average becomes 36. What number was added?
34. 34.Marks of 5 friends in a quiz: 74, 94, 88, 95, 89. What is their average mark?
35. 35.Find the compound interest on ₹46375 at 20% per year for 3 years, added every year (in ₹).
36. 36.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
37. 37.A shopkeeper buys a pressure cooker for ₹1920 and sells it for ₹1536. Find the loss percent.
38. 38.Find the simple interest on ₹4000 at 4% per year for 2 years (in ₹).
39. 39.In 23 years, Vivaan will be twice as old as Vivaan was 2 years ago. How old is Vivaan now?
40. 40.By selling a pressure cooker for ₹504, a shopkeeper makes a loss of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?

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