Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 839 · 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 school bag changes from ₹1360 to ₹1904. By what percent did it go up?
2. 2.A watch is marked at ₹820. The shop gives a 50% discount. How much do you pay (in ₹)?
3. 3.By selling a pressure cooker for ₹372, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
4. 4.A pair of shoes is marked at ₹1320. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
5. 5.In 5 years, Farhan will be twice as old as Farhan was 4 years ago. How old is Farhan now?
6. 6.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
7. 7.The simple interest on ₹6500 for 3 years is ₹1560. What is the rate of interest (% per year)?
8. 8.A study lamp is marked at ₹540. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
9. 9.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
10. 10.The simple interest on ₹16100 for 5 years is ₹4025. What is the rate of interest (% per year)?
11. 11.A pair of shoes bought for ₹580 is sold at a loss of 10%. What is the selling price (in ₹)?
12. 12.6 years ago, Meera’s mother was three times as old as Meera. The mother is 18 years old now. How old is Meera now?
13. 13.In how many years will ₹16700 earn ₹3006 as simple interest at 6% per year?
14. 14.Find the compound interest on ₹16736 at 25% per year for 2 years, added every year (in ₹).
15. 15.Diya puts ₹14100 in a bank at 8% simple interest per year. How much will she have after 3 years (in ₹)?
16. 16.In how many years will ₹12200 earn ₹6832 as simple interest at 14% per year?
17. 17.Dev’s father is five times as old as Dev. The sum of their ages is 42 years. How old is Dev?
18. 18.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
19. 19.The price of a school bag changes from ₹2440 to ₹2074. By what percent did it come down?
20. 20.A pressure cooker is marked at ₹650. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
21. 21.Kabir cycles to his school at 40 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
22. 22.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
23. 23.Find the compound interest on ₹48960 at 25% per year for 3 years, added every year (in ₹).
24. 24.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
25. 25.By selling a study lamp for ₹384, a shopkeeper makes a profit of 20%. What did the study lamp cost the shopkeeper (in ₹)?
26. 26.Manav can finish a job in 5 days and Kavya in 11 days. What fraction of the job do they finish if they work together for 3 days? =
27. 27.A water tank holds 640 litres. 50% of the water is used. How many litres are left?
28. 28.Pooja works twice as fast as Manav. Together they finish a job in 11 days. How many days would Manav take alone?
29. 29.What is the difference between the compound interest and the simple interest on ₹33200 at 5% per year for 2 years (in ₹)?
30. 30.Saanvi can finish a job in 5 days and Tara in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
31. 31.Change 108 km/h into metres per second.
32. 32.Marks of 6 friends in a quiz: 57, 55, 75, 75, 66, 80. What is their average mark?
33. 33.Change 30 m/s into km/h.
34. 34.The price of a school bag changes from ₹80 to ₹84. By what percent did it go up?
35. 35.Sneha is 8 years older than Dev. In 2 years, the sum of their ages will be 48. How old is Dev now?
36. 36.A car runs for 2 hours at 22 km/h and then for 2 hours at 36 km/h. What is its average speed for the whole journey (in km/h)?
37. 37.Ananya can finish a job in 14 days and Vivaan in 21 days. Ananya works alone for 10 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
38. 38.A bicycle bought for ₹100 is sold at a loss of 50%. What is the selling price (in ₹)?
39. 39.Rahul’s father is five times as old as Rahul. The sum of their ages is 72 years. How old is Rahul?
40. 40.Change 25 m/s into km/h.

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