Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 836 · 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 price goes up by 50% and then goes up by 5% more. By what percent has it gone up in all? =
2. 2.What sum of money earns ₹270 simple interest in 5 years at 2% per year (in ₹)?
3. 3.A school bag marked at ₹620 is sold for ₹434. What is the discount percent?
4. 4.A price comes down by 20% and then comes down by 5% more. By what percent has it come down in all? =
5. 5.10 years ago, Vivaan’s mother was three times as old as Vivaan. The mother is 25 years old now. How old is Vivaan now?
6. 6.Zoya works twice as fast as Isha. Together they finish a job in 3 days. How many days would Isha take alone?
7. 7.Find the compound interest on ₹47500 at 8% per year for 2 years, added every year (in ₹).
8. 8.A water tank holds 3200 litres. 50% of the water is used. How many litres are left?
9. 9.Pooja works three times as fast as Ananya. Together they finish a job in 5 days. How many days would Ananya take alone?
10. 10.Ishaan can finish a job in 15 days and Priya in 18 days. What fraction of the job do they finish if they work together for 3 days? =
11. 11.Karan can finish a job in 4 days and Pooja in 28 days. Karan works alone for 1 day and then stops. Pooja finishes the rest. How many days does Pooja take?
12. 12.A study lamp bought for ₹1740 is sold at a loss of 10%. What is the selling price (in ₹)?
13. 13.A pair of shoes is marked at ₹525. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
14. 14.The simple interest on ₹8100 for 2 years is ₹972. What is the rate of interest (% per year)?
15. 15.Diya puts ₹8500 in a bank at 4% simple interest per year. How much will she have after 4 years (in ₹)?
16. 16.In 25 years, Kavya will be twice as old as Kavya was 3 years ago. How old is Kavya now?
17. 17.A pressure cooker is marked at ₹492. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
18. 18.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
19. 19.Zoya’s batting average after 7 innings is 47 runs. How many runs must Zoya score in the next innings to raise the average to 52?
20. 20.The simple interest on ₹19700 for 5 years is ₹14775. What is the rate of interest (% per year)?
21. 21.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
22. 22.Ananya is 9 years older than Zoya. In 10 years, the sum of their ages will be 77. How old is Zoya now?
23. 23.After a 10% discount, a bicycle costs ₹378. What was its marked price (in ₹)?
24. 24.Find the compound interest on ₹44864 at 25% per year for 3 years, added every year (in ₹).
25. 25.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
26. 26.A bus runs at 52 km/h. How far does it go in 90 minutes (in km)?
27. 27.Change 35 m/s into km/h.
28. 28.A water tank holds 260 litres. 15% of the water is used. How many litres are left?
29. 29.A shopkeeper buys a watch for ₹560 and sells it for ₹840. Find the profit percent.
30. 30.Vivaan works three times as fast as Manav. Together they finish a job in 2 days. How many days would Manav take alone?
31. 31.How many minutes does a car take to go 105 km at 50 km/h?
32. 32.Change 54 km/h into metres per second.
33. 33.Change 18 km/h into metres per second.
34. 34.What sum of money earns ₹4416 simple interest in 4 years at 6% per year (in ₹)?
35. 35.8 years ago, Tara’s mother was three times as old as Tara. The mother is 17 years old now. How old is Tara now?
36. 36.What is the difference between the compound interest and the simple interest on ₹49000 at 20% per year for 2 years (in ₹)?
37. 37.A table fan is marked at ₹525. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
38. 38.A cricket bat is marked at ₹2800. The shop gives a 15% discount. How much do you pay (in ₹)?
39. 39.Find the simple interest on ₹5700 at 8% per year for 4 years (in ₹).
40. 40.A shopkeeper buys a bicycle for ₹160 and sells it for ₹200. Find the profit percent.

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