Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 826 · 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.The price of a bicycle is ₹3800. It goes up by 20%. What is the new price (in ₹)?
2. 2.The price of a school bag changes from ₹4120 to ₹2884. By what percent did it come down?
3. 3.A town has 3820 people. Its population grows by 15%. How many people live there now?
4. 4.Find the amount when ₹48800 is invested at 15% per year compound interest for 2 years (in ₹).
5. 5.After a 5% discount, a watch costs ₹3439. What was its marked price (in ₹)?
6. 6.A school bag bought for ₹1060 is sold at a profit of 20%. What is the selling price (in ₹)?
7. 7.A watch is marked at ₹2820. The shop gives a 30% discount. How much do you pay (in ₹)?
8. 8.Marks of 4 friends in a quiz: 43, 52, 54, 35. What is their average mark?
9. 9.Isha can finish a job in 17 days and Aarav in 20 days. What fraction of the job do they finish if they work together for 3 days? =
10. 10.A pair of shoes is marked at ₹1340. The shop gives a 5% discount. How much do you pay (in ₹)?
11. 11.Find the simple interest on ₹8700 at 12% per year for 2 years (in ₹).
12. 12.Find the compound interest on ₹1000 at 10% per year for 3 years, added every year (in ₹).
13. 13.Tara’s batting average after 14 innings is 47 runs. How many runs must Tara score in the next innings to raise the average to 52?
14. 14.The price of a school bag changes from ₹2300 to ₹1380. By what percent did it come down?
15. 15.In 26 years, Aditya will be twice as old as Aditya was 4 years ago. How old is Aditya now?
16. 16.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
17. 17.Find the amount when ₹31728 is invested at 25% per year compound interest for 2 years (in ₹).
18. 18.A pair of shoes is marked at ₹3040. The shop gives a 15% discount. How much do you pay (in ₹)?
19. 19.Ishaan’s father is three times as old as Ishaan. The sum of their ages is 60 years. How old is the father?
20. 20.Change 18 km/h into metres per second.
21. 21.A water tank holds 780 litres. 25% of the water is used. How many litres are left?
22. 22.Change 36 km/h into metres per second.
23. 23.Diya puts ₹16600 in a bank at 9% simple interest per year. How much will she have after 4 years (in ₹)?
24. 24.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
25. 25.A watch marked at ₹4400 is sold for ₹3300. What is the discount percent?
26. 26.In how many years will ₹9200 earn ₹1932 as simple interest at 7% per year?
27. 27.Find the compound interest on ₹17500 at 20% per year for 3 years, added every year (in ₹).
28. 28.After a 5% discount, a school bag costs ₹3762. What was its marked price (in ₹)?
29. 29.A study lamp bought for ₹1380 is sold at a profit of 50%. What is the selling price (in ₹)?
30. 30.A pair of shoes is marked at ₹925. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
31. 31.A water tank holds 460 litres. 5% of the water is used. How many litres are left?
32. 32.The average of 7 numbers is 50. When one more number is added, the average becomes 51. What number was added?
33. 33.A shopkeeper buys a school bag for ₹900 and sells it for ₹450. Find the loss percent.
34. 34.A shopkeeper buys a school bag for ₹420 and sells it for ₹525. Find the profit percent.
35. 35.Kabir and Diya together finish a job in 4 days. Kabir alone takes 5 days. How many days would Diya take alone?
36. 36.By selling a cricket bat for ₹658, a shopkeeper makes a loss of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
37. 37.A car runs for 1 hour at 68 km/h and then for 1 hour at 28 km/h. What is its average speed for the whole journey (in km/h)?
38. 38.A cricket bat is marked at ₹4500. The shop gives a 5% discount. How much do you pay (in ₹)?
39. 39.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
40. 40.A shopkeeper buys a table fan for ₹500 and sells it for ₹700. Find the profit percent.

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