Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 845 · 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.Change 20 m/s into km/h.
2. 2.Diya puts ₹3200 in a bank at 9% simple interest per year. How much will she have after 1 year (in ₹)?
3. 3.Tara can finish a job in 6 days and Dev in 24 days. Tara works alone for 4 days and then stops. Dev finishes the rest. How many days does Dev take?
4. 4.By selling a bicycle for ₹1764, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
5. 5.A bicycle is marked at ₹2440. The shop gives a 10% discount. How much do you pay (in ₹)?
6. 6.A bicycle is marked at ₹820. The shop gives a 5% discount. How much do you pay (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹14400 at 5% per year for 2 years (in ₹)?
8. 8.Find the compound interest on ₹35600 at 15% per year for 2 years, added every year (in ₹).
9. 9.A study lamp marked at ₹3520 is sold for ₹2816. What is the discount percent?
10. 10.Rahul’s father is four times as old as Rahul. The sum of their ages is 55 years. How old is the father?
11. 11.What is the difference between the compound interest and the simple interest on ₹35000 at 8% per year for 2 years (in ₹)?
12. 12.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
13. 13.Nisha works three times as fast as Aditya. Together they finish a job in 4 days. How many days would Aditya take alone?
14. 14.Rohan’s father is three times as old as Rohan. The sum of their ages is 20 years. How old is the father?
15. 15.After a 40% discount, a watch costs ₹420. What was its marked price (in ₹)?
16. 16.Dev can finish a job in 2 days and Kabir in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
18. 18.Find the simple interest on ₹2400 at 9% per year for 4 years (in ₹).
19. 19.A table fan bought for ₹960 is sold at a loss of 10%. What is the selling price (in ₹)?
20. 20.Arjun is 4 years older than Kabir. In 7 years, the sum of their ages will be 34. How old is Kabir now?
21. 21.4 years ago, Priya’s mother was twice as old as Priya. The mother is 20 years old now. How old is Priya now?
22. 22.Kabir cycles to his school at 60 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
23. 23.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
24. 24.Kabir cycles to his school at 90 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
25. 25.Vivaan is 5 years older than Nisha. In 8 years, the sum of their ages will be 61. How old is Nisha now?
26. 26.The simple interest on ₹17500 for 5 years is ₹12250. What is the rate of interest (% per year)?
27. 27.A watch bought for ₹2000 is sold at a profit of 50%. What is the selling price (in ₹)?
28. 28.A shop sells an average of 71 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
29. 29.Find the amount when ₹40750 is invested at 20% per year compound interest for 2 years (in ₹).
30. 30.A shopkeeper buys a table fan for ₹100 and sells it for ₹60. Find the loss percent.
31. 31.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
32. 32.Sneha’s father is four times as old as Sneha. The sum of their ages is 55 years. How old is Sneha?
33. 33.Vivaan works three times as fast as Kabir. Together they finish a job in 2 days. How many days would Kabir take alone?
34. 34.What sum of money earns ₹2912 simple interest in 4 years at 4% per year (in ₹)?
35. 35.Diya puts ₹8600 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
36. 36.Aarav works twice as fast as Ishaan. Together they finish a job in 9 days. How many days would Ishaan take alone?
37. 37.Change 90 km/h into metres per second.
38. 38.Vivaan is 10 years older than Karan. In 10 years, the sum of their ages will be 68. How old is Karan now?
39. 39.By selling a pressure cooker for ₹98, a shopkeeper makes a loss of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
40. 40.Ishaan can finish a job in 8 days and Arjun in 13 days. What fraction of the job do they finish if they work together for 3 days? =

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