Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 790 · 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.In 10 years, Saanvi will be twice as old as Saanvi was 3 years ago. How old is Saanvi now?
2. 2.A water tank holds 3380 litres. 10% of the water is used. How many litres are left?
3. 3.In 11 years, Dev will be three times as old as Dev was 3 years ago. How old is Dev now?
4. 4.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
5. 5.A shop sells an average of 39 kg of sugar a day for 6 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
6. 6.5 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 11 years old now. How old is Saanvi now?
7. 7.Find the compound interest on ₹42400 at 5% per year for 2 years, added every year (in ₹).
8. 8.A pressure cooker is marked at ₹4300. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
9. 9.Rohan’s batting average after 12 innings is 31 runs. How many runs must Rohan score in the next innings to raise the average to 35?
10. 10.Vivaan can finish a job in 3 days and Kabir in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.The average of 9 numbers is 52. When one more number is added, the average becomes 54. What number was added?
12. 12.A pressure cooker is marked at ₹300. The shop gives a 25% discount. How much do you pay (in ₹)?
13. 13.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
14. 14.The price of a school bag changes from ₹2920 to ₹3504. By what percent did it go up?
15. 15.Meera can finish a job in 7 days and Farhan in 20 days. What fraction of the job do they finish if they work together for 3 days? =
16. 16.A town has 2020 people. Its population grows by 20%. How many people live there now?
17. 17.Rahul is 9 years older than Vivaan. In 3 years, the sum of their ages will be 55. How old is Vivaan now?
18. 18.Change 90 km/h into metres per second.
19. 19.A shop sells an average of 33 kg of sugar a day for 3 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
20. 20.Ananya and Aarav together finish a job in 5 days. Ananya alone takes 10 days. How many days would Aarav take alone?
21. 21.Find the compound interest on ₹31600 at 15% per year for 2 years, added every year (in ₹).
22. 22.A bicycle bought for ₹1440 is sold at a loss of 40%. What is the selling price (in ₹)?
23. 23.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
24. 24.A study lamp is marked at ₹200. The shop gives a 10% discount. How much do you pay (in ₹)?
25. 25.4 years ago, Zoya’s mother was four times as old as Zoya. The mother is 48 years old now. How old is Zoya now?
26. 26.A shop sells 400 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
27. 27.Change 30 m/s into km/h.
28. 28.Ananya’s father is twice as old as Ananya. The sum of their ages is 45 years. How old is the father?
29. 29.The price of a school bag changes from ₹4260 to ₹5112. By what percent did it go up?
30. 30.2 years ago, Kavya’s mother was three times as old as Kavya. The mother is 26 years old now. How old is Kavya now?
31. 31.A pair of shoes bought for ₹1440 is sold at a loss of 25%. What is the selling price (in ₹)?
32. 32.Find the compound interest on ₹11800 at 10% per year for 2 years, added every year (in ₹).
33. 33.Find the compound interest on ₹17500 at 4% per year for 2 years, added every year (in ₹).
34. 34.Find the simple interest on ₹18800 at 10% per year for 3 years (in ₹).
35. 35.The price of a school bag changes from ₹120 to ₹102. By what percent did it come down?
36. 36.Find the compound interest on ₹4275 at 20% per year for 2 years, added every year (in ₹).
37. 37.Zoya can finish a job in 3 days and Isha in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.A price goes up by 25% and then comes down by 10%. By what percent has it gone up in all? =
39. 39.The average of 5 numbers is 44. When one more number is added, the average becomes 49. What number was added?
40. 40.In how many years will ₹16600 earn ₹996 as simple interest at 3% per year?

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