Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 413 · 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.A car runs for 1 hour at 79 km/h and then for 1 hour at 45 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.Aditya’s father is five times as old as Aditya. The sum of their ages is 60 years. How old is the father?
3. 3.A price comes down by 50% and then comes down by 25% more. By what percent has it come down in all? =
4. 4.Find the amount when ₹13125 is invested at 12% per year compound interest for 2 years (in ₹).
5. 5.Find the compound interest on ₹40625 at 12% per year for 2 years, added every year (in ₹).
6. 6.By selling a bicycle for ₹1026, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
7. 7.A water tank holds 1700 litres. 25% of the water is used. How many litres are left?
8. 8.2 years ago, Manav’s mother was twice as old as Manav. The mother is 12 years old now. How old is Manav now?
9. 9.A price goes up by 25% and then goes up by 50% more. By what percent has it gone up in all? =
10. 10.Change 18 km/h into metres per second.
11. 11.2 years ago, Manav’s mother was four times as old as Manav. The mother is 46 years old now. How old is Manav now?
12. 12.Kabir and Manav together finish a job in 2 days. Kabir alone takes 3 days. How many days would Manav take alone?
13. 13.A pair of shoes is marked at ₹4860. The shop gives a 30% discount. How much do you pay (in ₹)?
14. 14.Kabir’s father is five times as old as Kabir. The sum of their ages is 78 years. How old is Kabir?
15. 15.By selling a bicycle for ₹890, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
16. 16.A shop sells an average of 71 kg of sugar a day for 3 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
17. 17.A table fan is marked at ₹430. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
18. 18.Change 35 m/s into km/h.
19. 19.2 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 10 years old now. How old is Vivaan now?
20. 20.A water tank holds 3440 litres. 50% of the water is used. How many litres are left?
21. 21.Priya works twice as fast as Aarav. Together they finish a job in 9 days. How many days would Aarav take alone?
22. 22.The average of 4 numbers is 16. When one more number is added, the average becomes 18. What number was added?
23. 23.Saanvi can finish a job in 18 days and Rohan in 15 days. Saanvi works alone for 12 days and then stops. Rohan finishes the rest. How many days does Rohan take?
24. 24.A shop sells 880 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
25. 25.Nisha’s batting average after 5 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 22?
26. 26.A shopkeeper buys a bicycle for ₹460 and sells it for ₹276. Find the loss percent.
27. 27.Tara can finish a job in 7 days and Ananya in 15 days. What fraction of the job do they finish if they work together for 3 days? =
28. 28.What is the difference between the compound interest and the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
29. 29.What sum of money earns ₹12110 simple interest in 5 years at 14% per year (in ₹)?
30. 30.A study lamp is marked at ₹1100. The shop gives a 50% discount. How much do you pay (in ₹)?
31. 31.Find the amount when ₹20000 is invested at 10% per year compound interest for 3 years (in ₹).
32. 32.A price goes up by 15% and then goes up by 20% more. By what percent has it gone up in all? =
33. 33.By selling a pair of shoes for ₹1025, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
34. 34.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
35. 35.The price of a school bag changes from ₹3680 to ₹3496. By what percent did it come down?
36. 36.A school bag marked at ₹3020 is sold for ₹2114. What is the discount percent?
37. 37.What sum of money earns ₹1530 simple interest in 3 years at 10% per year (in ₹)?
38. 38.A shopkeeper buys a school bag for ₹880 and sells it for ₹836. Find the loss percent.
39. 39.Sneha is 2 years older than Nisha. In 7 years, the sum of their ages will be 70. How old is Nisha now?
40. 40.What sum of money earns ₹756 simple interest in 3 years at 6% per year (in ₹)?

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