Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 698 · 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 shopkeeper buys a study lamp for ₹880 and sells it for ₹1320. Find the profit percent.
2. 2.By selling a cricket bat for ₹768, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
3. 3.A shop sells an average of 63 kg of sugar a day for 6 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
4. 4.A table fan is marked at ₹1940. The shop gives a 25% discount. How much do you pay (in ₹)?
5. 5.Kabir cycles to his school at 84 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.Meera can finish a job in 11 days and Priya in 15 days. What fraction of the job do they finish if they work together for 2 days? =
7. 7.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
8. 8.A shopkeeper buys a table fan for ₹920 and sells it for ₹460. Find the loss percent.
9. 9.Saanvi’s father is three times as old as Saanvi. The sum of their ages is 60 years. How old is the father?
10. 10.A cricket bat is marked at ₹1025. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
11. 11.In how many years will ₹9600 earn ₹5760 as simple interest at 15% per year?
12. 12.The simple interest on ₹8500 for 1 year is ₹510. What is the rate of interest (% per year)?
13. 13.In how many years will ₹4000 earn ₹2200 as simple interest at 11% per year?
14. 14.What is the difference between the compound interest and the simple interest on ₹5100 at 20% per year for 2 years (in ₹)?
15. 15.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
16. 16.By selling a pressure cooker for ₹1470, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
18. 18.Manav can finish a job in 10 days and Diya in 5 days. What fraction of the job do they finish if they work together for 1 day? =
19. 19.A bicycle is marked at ₹4120. The shop gives a 5% discount. How much do you pay (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
21. 21.10 years ago, Diya’s mother was four times as old as Diya. The mother is 26 years old now. How old is Diya now?
22. 22.2 years ago, Rohan’s mother was three times as old as Rohan. The mother is 14 years old now. How old is Rohan now?
23. 23.Diya can finish a job in 17 days and Zoya in 18 days. What fraction of the job do they finish if they work together for 1 day? =
24. 24.A price comes down by 5% and then comes down by 5% more. By what percent has it come down in all? =
25. 25.By selling a bicycle for ₹450, a shopkeeper makes a profit of 50%. What did the bicycle cost the shopkeeper (in ₹)?
26. 26.7 years ago, Rohan’s mother was three times as old as Rohan. The mother is 37 years old now. How old is Rohan now?
27. 27.Isha works three times as fast as Ananya. Together they finish a job in 3 days. How many days would Ananya take alone?
28. 28.A water tank holds 1980 litres. 10% of the water is used. How many litres are left?
29. 29.A bicycle bought for ₹960 is sold at a loss of 5%. What is the selling price (in ₹)?
30. 30.The average of 4 numbers is 30. When one more number is added, the average becomes 33. What number was added?
31. 31.In 8 years, Zoya will be three times as old as Zoya was 6 years ago. How old is Zoya now?
32. 32.A bus runs at 72 km/h. How far does it go in 45 minutes (in km)?
33. 33.In 17 years, Meera will be twice as old as Meera was 5 years ago. How old is Meera now?
34. 34.Tara can finish a job in 18 days and Zoya in 9 days. Tara works alone for 14 days and then stops. Zoya finishes the rest. How many days does Zoya take?
35. 35.A water tank holds 1720 litres. 30% of the water is used. How many litres are left?
36. 36.Aditya can finish a job in 20 days and Pooja in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
37. 37.A price comes down by 40% and then comes down by 5% more. By what percent has it come down in all? =
38. 38.Kabir works twice as fast as Nisha. Together they finish a job in 6 days. How many days would Nisha take alone?
39. 39.Karan’s batting average after 15 innings is 26 runs. How many runs must Karan score in the next innings to raise the average to 28?
40. 40.Change 18 km/h into metres per second.

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