Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 455 · 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.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
2. 2.By selling a pressure cooker for ₹1197, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹14000 at 5% per year for 2 years (in ₹)?
4. 4.The average of 9 numbers is 29. When one more number is added, the average becomes 31. What number was added?
5. 5.In 17 years, Aarav will be twice as old as Aarav was 6 years ago. How old is Aarav now?
6. 6.The price of a school bag changes from ₹4520 to ₹4294. By what percent did it come down?
7. 7.What sum of money earns ₹1640 simple interest in 5 years at 4% per year (in ₹)?
8. 8.Diya puts ₹600 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
9. 9.Saanvi’s batting average after 12 innings is 28 runs. How many runs must Saanvi score in the next innings to raise the average to 29?
10. 10.A school bag marked at ₹440 is sold for ₹220. What is the discount percent?
11. 11.A price goes up by 10% and then comes down by 5%. By what percent has it gone up in all? =
12. 12.A town has 1160 people. Its population grows by 5%. How many people live there now?
13. 13.Change 5 m/s into km/h.
14. 14.A water tank holds 3860 litres. 15% of the water is used. How many litres are left?
15. 15.The price of a school bag changes from ₹2640 to ₹2376. By what percent did it come down?
16. 16.Find the compound interest on ₹42400 at 15% per year for 2 years, added every year (in ₹).
17. 17.Find the amount when ₹32448 is invested at 25% per year compound interest for 3 years (in ₹).
18. 18.A water tank holds 3040 litres. 5% of the water is used. How many litres are left?
19. 19.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
20. 20.The simple interest on ₹4900 for 2 years is ₹1470. What is the rate of interest (% per year)?
21. 21.A town has 4740 people. Its population grows by 15%. How many people live there now?
22. 22.The price of a school bag changes from ₹3320 to ₹4150. By what percent did it go up?
23. 23.Rohan is 5 years older than Karan. In 8 years, the sum of their ages will be 55. How old is Karan now?
24. 24.The average of 9 numbers is 26. When one more number is added, the average becomes 28. What number was added?
25. 25.By selling a bicycle for ₹133, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
26. 26.After a 40% discount, a watch costs ₹2076. What was its marked price (in ₹)?
27. 27.A table fan is marked at ₹1780. The shop gives a 15% discount. How much do you pay (in ₹)?
28. 28.Kabir cycles to his school at 84 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.A table fan is marked at ₹3960. The shop gives a 15% discount. How much do you pay (in ₹)?
30. 30.Saanvi can finish a job in 14 days and Rahul in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
31. 31.A town has 4120 people. Its population grows by 10%. How many people live there now?
32. 32.Manav’s batting average after 9 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 47?
33. 33.A table fan marked at ₹1700 is sold for ₹1615. What is the discount percent?
34. 34.Find the simple interest on ₹12100 at 3% per year for 3 years (in ₹).
35. 35.By selling a watch for ₹924, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
36. 36.Aditya can finish a job in 4 days and Arjun in 5 days. What fraction of the job do they finish if they work together for 1 day? =
37. 37.By selling a watch for ₹78, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
38. 38.Saanvi’s batting average after 10 innings is 37 runs. How many runs must Saanvi score in the next innings to raise the average to 41?
39. 39.Priya can finish a job in 3 days and Rahul in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
40. 40.In 8 years, Tara will be three times as old as Tara was 4 years ago. How old is Tara now?

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