Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 729 · 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.What is the difference between the compound interest and the simple interest on ₹14400 at 25% per year for 2 years (in ₹)?
2. 2.The price of a school bag changes from ₹2180 to ₹1853. By what percent did it come down?
3. 3.Rohan works three times as fast as Aditya. Together they finish a job in 5 days. How many days would Aditya take alone?
4. 4.A shopkeeper buys a bicycle for ₹620 and sells it for ₹713. Find the profit percent.
5. 5.Diya and Priya together finish a job in 5 days. Diya alone takes 10 days. How many days would Priya take alone?
6. 6.A pressure cooker is marked at ₹3840. The shop gives a 15% discount. How much do you pay (in ₹)?
7. 7.A study lamp marked at ₹460 is sold for ₹437. What is the discount percent?
8. 8.Diya’s father is three times as old as Diya. The sum of their ages is 20 years. How old is Diya?
9. 9.A bicycle bought for ₹720 is sold at a profit of 40%. What is the selling price (in ₹)?
10. 10.2 years ago, Farhan’s mother was three times as old as Farhan. The mother is 23 years old now. How old is Farhan now?
11. 11.The price of a bicycle is ₹680. It goes up by 40%. What is the new price (in ₹)?
12. 12.Manav can finish a job in 20 days and Tara in 16 days. What fraction of the job do they finish if they work together for 3 days? =
13. 13.A bus runs at 60 km/h. How far does it go in 30 minutes (in km)?
14. 14.A watch marked at ₹1560 is sold for ₹1248. What is the discount percent?
15. 15.A car runs for 4 hours at 25 km/h and then for 1 hour at 60 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.Aarav can finish a job in 18 days and Isha in 8 days. What fraction of the job do they finish if they work together for 1 day? =
17. 17.A bus runs at 54 km/h. How far does it go in 90 minutes (in km)?
18. 18.Aditya is 9 years older than Manav. In 9 years, the sum of their ages will be 61. How old is Manav now?
19. 19.A pair of shoes is marked at ₹460. The shop gives a 5% discount. How much do you pay (in ₹)?
20. 20.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
21. 21.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
22. 22.10 years ago, Pooja’s mother was twice as old as Pooja. The mother is 18 years old now. How old is Pooja now?
23. 23.Aarav and Meera together finish a job in 3 days. Aarav alone takes 4 days. How many days would Meera take alone?
24. 24.Aarav works three times as fast as Priya. Together they finish a job in 11 days. How many days would Priya take alone?
25. 25.What sum of money earns ₹4480 simple interest in 4 years at 7% per year (in ₹)?
26. 26.A bus runs at 44 km/h. How far does it go in 45 minutes (in km)?
27. 27.Karan and Meera together finish a job in 2 days. Karan alone takes 4 days. How many days would Meera take alone?
28. 28.A water tank holds 2200 litres. 20% of the water is used. How many litres are left?
29. 29.By selling a school bag for ₹490, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
30. 30.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
31. 31.By selling a table fan for ₹1520, a shopkeeper makes a loss of 20%. What did the table fan cost the shopkeeper (in ₹)?
32. 32.By selling a school bag for ₹1071, a shopkeeper makes a loss of 15%. What did the school bag cost the shopkeeper (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
34. 34.A water tank holds 580 litres. 40% of the water is used. How many litres are left?
35. 35.A town has 500 people. Its population grows by 20%. How many people live there now?
36. 36.The price of a school bag changes from ₹4680 to ₹7020. By what percent did it go up?
37. 37.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
38. 38.The simple interest on ₹10400 for 2 years is ₹1872. What is the rate of interest (% per year)?
39. 39.What sum of money earns ₹300 simple interest in 5 years at 10% per year (in ₹)?
40. 40.Ishaan and Rohan together finish a job in 6 days. Ishaan alone takes 7 days. How many days would Rohan take alone?

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