Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 641 · 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. 1.6 years ago, Diya’s mother was twice as old as Diya. The mother is 28 years old now. How old is Diya now?
2. 2.By selling a bicycle for ₹2520, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
3. 3.Aarav’s father is twice as old as Aarav. The sum of their ages is 33 years. How old is Aarav?
4. 4.What sum of money earns ₹384 simple interest in 1 year at 8% per year (in ₹)?
5. 5.In 28 years, Pooja will be twice as old as Pooja was 6 years ago. How old is Pooja now?
6. 6.A pair of shoes is marked at ₹2680. The shop gives a 25% discount. How much do you pay (in ₹)?
7. 7.Find the amount when ₹48512 is invested at 25% per year compound interest for 2 years (in ₹).
8. 8.The simple interest on ₹2700 for 5 years is ₹1350. What is the rate of interest (% per year)?
9. 9.Find the compound interest on ₹10000 at 10% per year for 3 years, added every year (in ₹).
10. 10.Kabir cycles to his school at 20 km/h and comes back by the same road at 80 km/h. What is his average speed for the whole trip (in km/h)?
11. 11.A shop sells an average of 42 kg of sugar a day for 6 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
12. 12.Change 30 m/s into km/h.
13. 13.A water tank holds 1480 litres. 20% of the water is used. How many litres are left?
14. 14.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
15. 15.How many minutes does a car take to go 84 km at 80 km/h?
16. 16.A water tank holds 2800 litres. 25% of the water is used. How many litres are left?
17. 17.How many minutes does a car take to go 42 km at 72 km/h?
18. 18.Kabir cycles to his school at 40 km/h and comes back by the same road at 88 km/h. What is his average speed for the whole trip (in km/h)?
19. 19.A pressure cooker is marked at ₹3080. The shop gives a 50% discount. How much do you pay (in ₹)?
20. 20.Change 15 m/s into km/h.
21. 21.Diya puts ₹16300 in a bank at 14% simple interest per year. How much will she have after 1 year (in ₹)?
22. 22.8 years ago, Meera’s mother was twice as old as Meera. The mother is 28 years old now. How old is Meera now?
23. 23.Find the simple interest on ₹17200 at 11% per year for 3 years (in ₹).
24. 24.Kavya’s batting average after 12 innings is 37 runs. How many runs must Kavya score in the next innings to raise the average to 39?
25. 25.In 25 years, Karan will be twice as old as Karan was 5 years ago. How old is Karan now?
26. 26.Nisha works twice as fast as Farhan. Together they finish a job in 6 days. How many days would Farhan take alone?
27. 27.Vivaan’s father is four times as old as Vivaan. The sum of their ages is 30 years. How old is the father?
28. 28.Find the compound interest on ₹25525 at 20% per year for 2 years, added every year (in ₹).
29. 29.The average of 4 numbers is 20. When one more number is added, the average becomes 22. What number was added?
30. 30.Tara works three times as fast as Kavya. Together they finish a job in 10 days. How many days would Kavya take alone?
31. 31.In 25 years, Diya will be three times as old as Diya was 5 years ago. How old is Diya now?
32. 32.Diya puts ₹19700 in a bank at 10% simple interest per year. How much will she have after 5 years (in ₹)?
33. 33.Change 35 m/s into km/h.
34. 34.A bus runs at 84 km/h. How far does it go in 20 minutes (in km)?
35. 35.A bus runs at 90 km/h. How far does it go in 10 minutes (in km)?
36. 36.7 years ago, Priya’s mother was four times as old as Priya. The mother is 35 years old now. How old is Priya now?
37. 37.Rohan can finish a job in 9 days and Farhan in 15 days. Rohan works alone for 6 days and then stops. Farhan finishes the rest. How many days does Farhan take?
38. 38.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
39. 39.A price goes up by 20% and then goes up by 40% more. By what percent has it gone up in all? =
40. 40.A watch is marked at ₹2440. The shop gives a 25% discount. How much do you pay (in ₹)?

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