Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 544 · 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.By selling a cricket bat for ₹1710, a shopkeeper makes a profit of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
2. 2.The price of a bicycle is ₹1320. It goes up by 10%. What is the new price (in ₹)?
3. 3.Pooja can finish a job in 12 days and Arjun in 9 days. What fraction of the job do they finish if they work together for 2 days? =
4. 4.By selling a bicycle for ₹1612, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
5. 5.Kabir cycles to his school at 10 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.In how many years will ₹16000 earn ₹4800 as simple interest at 10% per year?
7. 7.In 16 years, Rahul will be twice as old as Rahul was 5 years ago. How old is Rahul now?
8. 8.Find the compound interest on ₹2500 at 12% per year for 2 years, added every year (in ₹).
9. 9.What sum of money earns ₹1536 simple interest in 2 years at 12% per year (in ₹)?
10. 10.Farhan’s batting average after 14 innings is 50 runs. How many runs must Farhan score in the next innings to raise the average to 51?
11. 11.A water tank holds 420 litres. 10% of the water is used. How many litres are left?
12. 12.Marks of 4 friends in a quiz: 23, 19, 22, 52. What is their average mark?
13. 13.Ananya works three times as fast as Aditya. Together they finish a job in 3 days. How many days would Aditya take alone?
14. 14.The simple interest on ₹3100 for 1 year is ₹434. What is the rate of interest (% per year)?
15. 15.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
16. 16.A shopkeeper buys a bicycle for ₹660 and sells it for ₹561. Find the loss percent.
17. 17.Change 18 km/h into metres per second.
18. 18.Change 36 km/h into metres per second.
19. 19.Kavya’s batting average after 6 innings is 22 runs. How many runs must Kavya score in the next innings to raise the average to 23?
20. 20.Change 35 m/s into km/h.
21. 21.A price goes up by 25% and then goes up by 25% more. By what percent has it gone up in all? =
22. 22.Saanvi’s batting average after 15 innings is 26 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
23. 23.By selling a table fan for ₹1968, a shopkeeper makes a profit of 20%. What did the table fan cost the shopkeeper (in ₹)?
24. 24.Manav’s batting average after 8 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 28?
25. 25.Change 54 km/h into metres per second.
26. 26.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
27. 27.Manav’s father is twice as old as Manav. The sum of their ages is 15 years. How old is the father?
28. 28.A bus runs at 30 km/h. How far does it go in 10 minutes (in km)?
29. 29.A study lamp marked at ₹560 is sold for ₹392. What is the discount percent?
30. 30.By selling a pressure cooker for ₹528, a shopkeeper makes a profit of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
31. 31.A price goes up by 5% and then goes up by 50% more. By what percent has it gone up in all? =
32. 32.Arjun and Manav together finish a job in 2 days. Arjun alone takes 3 days. How many days would Manav take alone?
33. 33.Tara’s batting average after 14 innings is 27 runs. How many runs must Tara score in the next innings to raise the average to 30?
34. 34.4 years ago, Rohan’s mother was three times as old as Rohan. The mother is 19 years old now. How old is Rohan now?
35. 35.Farhan’s father is twice as old as Farhan. The sum of their ages is 36 years. How old is the father?
36. 36.Change 20 m/s into km/h.
37. 37.By selling a watch for ₹374, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
38. 38.4 years ago, Rahul’s mother was three times as old as Rahul. The mother is 22 years old now. How old is Rahul now?
39. 39.A watch marked at ₹1540 is sold for ₹1386. What is the discount percent?
40. 40.Diya puts ₹14800 in a bank at 12% simple interest per year. How much will she have after 2 years (in ₹)?

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