Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 868 · 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’s batting average after 14 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 31?
2. 2.Change 54 km/h into metres per second.
3. 3.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
4. 4.A water tank holds 680 litres. 15% of the water is used. How many litres are left?
5. 5.Priya’s batting average after 15 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 27?
6. 6.The average of 5 numbers is 31. When one more number is added, the average becomes 37. What number was added?
7. 7.What sum of money earns ₹876 simple interest in 1 year at 6% per year (in ₹)?
8. 8.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
9. 9.A bicycle is marked at ₹3120. The shop gives a 25% discount. How much do you pay (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹30200 at 20% per year for 2 years (in ₹)?
11. 11.A bus runs at 38 km/h. How far does it go in 90 minutes (in km)?
12. 12.Ananya can finish a job in 7 days and Zoya in 10 days. What fraction of the job do they finish if they work together for 2 days? =
13. 13.How many minutes does a car take to go 25 km at 30 km/h?
14. 14.Isha’s father is three times as old as Isha. The sum of their ages is 24 years. How old is Isha?
15. 15.Find the amount when ₹35200 is invested at 5% per year compound interest for 2 years (in ₹).
16. 16.A watch is marked at ₹440. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
17. 17.In 4 years, Karan will be three times as old as Karan was 4 years ago. How old is Karan now?
18. 18.The simple interest on ₹13600 for 1 year is ₹2040. What is the rate of interest (% per year)?
19. 19.The price of a school bag changes from ₹1720 to ₹1204. By what percent did it come down?
20. 20.The price of a bicycle is ₹160. It goes up by 20%. What is the new price (in ₹)?
21. 21.Meera’s father is three times as old as Meera. The sum of their ages is 36 years. How old is Meera?
22. 22.4 years ago, Aditya’s mother was four times as old as Aditya. The mother is 16 years old now. How old is Aditya now?
23. 23.By selling a bicycle for ₹1988, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹38000 at 10% per year for 2 years (in ₹)?
25. 25.A water tank holds 1220 litres. 25% of the water is used. How many litres are left?
26. 26.Aditya can finish a job in 2 days and Aarav in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.By selling a bicycle for ₹644, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
28. 28.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
29. 29.Diya’s father is twice as old as Diya. The sum of their ages is 18 years. How old is Diya?
30. 30.By selling a pair of shoes for ₹1275, a shopkeeper makes a loss of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
31. 31.By selling a watch for ₹468, a shopkeeper makes a loss of 40%. What did the watch cost the shopkeeper (in ₹)?
32. 32.A price goes up by 40% and then goes up by 10% more. By what percent has it gone up in all? =
33. 33.Rahul’s father is four times as old as Rahul. The sum of their ages is 60 years. How old is Rahul?
34. 34.After a 20% discount, a school bag costs ₹3952. What was its marked price (in ₹)?
35. 35.By selling a pressure cooker for ₹76, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
36. 36.Farhan can finish a job in 18 days and Diya in 14 days. What fraction of the job do they finish if they work together for 1 day? =
37. 37.Change 18 km/h into metres per second.
38. 38.Pooja can finish a job in 20 days and Nisha in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
39. 39.A bicycle is marked at ₹704. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
40. 40.After a 5% discount, a pair of shoes costs ₹4142. What was its marked price (in ₹)?

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