Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 843 · 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 740 litres. 50% of the water is used. How many litres are left?
2. 2.A pressure cooker is marked at ₹520. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
3. 3.Pooja can finish a job in 7 days and Farhan in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
4. 4.Find the compound interest on ₹40000 at 15% per year for 3 years, added every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
6. 6.A car runs for 3 hours at 30 km/h and then for 3 hours at 76 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Meera can finish a job in 6 days and Tara in 13 days. What fraction of the job do they finish if they work together for 3 days? =
8. 8.Find the amount when ₹23600 is invested at 15% per year compound interest for 2 years (in ₹).
9. 9.Find the amount when ₹3712 is invested at 25% per year compound interest for 2 years (in ₹).
10. 10.The simple interest on ₹12000 for 1 year is ₹1320. What is the rate of interest (% per year)?
11. 11.Manav and Saanvi together finish a job in 4 days. Manav alone takes 6 days. How many days would Saanvi take alone?
12. 12.Karan’s batting average after 8 innings is 37 runs. How many runs must Karan score in the next innings to raise the average to 40?
13. 13.A watch bought for ₹1520 is sold at a profit of 25%. What is the selling price (in ₹)?
14. 14.A shopkeeper buys a study lamp for ₹1500 and sells it for ₹1350. Find the loss percent.
15. 15.A cricket bat is marked at ₹656. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
17. 17.The simple interest on ₹600 for 5 years is ₹210. What is the rate of interest (% per year)?
18. 18.Kabir’s father is four times as old as Kabir. The sum of their ages is 65 years. How old is the father?
19. 19.Kabir is 5 years older than Meera. In 4 years, the sum of their ages will be 49. How old is Meera now?
20. 20.How many minutes does a car take to go 115 km at 50 km/h?
21. 21.By selling a pair of shoes for ₹465, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
22. 22.The average weight of 7 children is 27 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
23. 23.How many minutes does a car take to go 110 km at 66 km/h?
24. 24.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
25. 25.What is the difference between the compound interest and the simple interest on ₹4800 at 5% per year for 2 years (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹31300 at 20% per year for 2 years (in ₹)?
27. 27.By selling a table fan for ₹2208, a shopkeeper makes a profit of 20%. What did the table fan cost the shopkeeper (in ₹)?
28. 28.Kavya can finish a job in 4 days and Dev in 5 days. What fraction of the job do they finish if they work together for 2 days? =
29. 29.Karan can finish a job in 11 days and Pooja in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.A shop sells an average of 24 kg of sugar a day for 5 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
31. 31.A town has 2300 people. Its population grows by 15%. How many people live there now?
32. 32.Nisha can finish a job in 4 days and Pooja in 12 days. Nisha works alone for 2 days and then stops. Pooja finishes the rest. How many days does Pooja take?
33. 33.By selling a cricket bat for ₹378, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
34. 34.Find the simple interest on ₹10700 at 12% per year for 4 years (in ₹).
35. 35.A water tank holds 2280 litres. 40% of the water is used. How many litres are left?
36. 36.A price comes down by 40% and then comes down by 5% more. By what percent has it come down in all? =
37. 37.A price comes down by 15% and then comes down by 10% more. By what percent has it come down in all? =
38. 38.Find the amount when ₹7000 is invested at 10% per year compound interest for 3 years (in ₹).
39. 39.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
40. 40.3 years ago, Priya’s mother was three times as old as Priya. The mother is 12 years old now. How old is Priya now?

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