Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 614 · 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 sum of money earns ₹2088 simple interest in 3 years at 4% per year (in ₹)?
2. 2.A car runs for 2 hours at 62 km/h and then for 2 hours at 72 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
4. 4.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
5. 5.A price goes up by 50% and then goes up by 25% more. By what percent has it gone up in all? =
6. 6.A price comes down by 20% and then comes down by 20% more. By what percent has it come down in all? =
7. 7.How many minutes does a car take to go 56 km at 42 km/h?
8. 8.Isha can finish a job in 15 days and Meera in 27 days. Isha works alone for 10 days and then stops. Meera finishes the rest. How many days does Meera take?
9. 9.After a 10% discount, a pressure cooker costs ₹4338. What was its marked price (in ₹)?
10. 10.A shop sells 500 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
11. 11.Find the simple interest on ₹19500 at 14% per year for 4 years (in ₹).
12. 12.A water tank holds 4900 litres. 15% of the water is used. How many litres are left?
13. 13.The average of 4 numbers is 47. When one more number is added, the average becomes 52. What number was added?
14. 14.A bicycle bought for ₹460 is sold at a profit of 40%. What is the selling price (in ₹)?
15. 15.The price of a school bag changes from ₹60 to ₹30. By what percent did it come down?
16. 16.A shopkeeper buys a table fan for ₹1160 and sells it for ₹812. Find the loss percent.
17. 17.Find the amount when ₹31360 is invested at 25% per year compound interest for 3 years (in ₹).
18. 18.Marks of 5 friends in a quiz: 51, 53, 48, 58, 90. What is their average mark?
19. 19.By selling a school bag for ₹396, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
20. 20.5 years ago, Dev’s mother was twice as old as Dev. The mother is 23 years old now. How old is Dev now?
21. 21.Change 18 km/h into metres per second.
22. 22.Manav can finish a job in 17 days and Diya in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.What sum of money earns ₹762 simple interest in 3 years at 2% per year (in ₹)?
24. 24.By selling a pair of shoes for ₹1100, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
25. 25.Dev’s father is five times as old as Dev. The sum of their ages is 30 years. How old is Dev?
26. 26.Vivaan can finish a job in 2 days and Aarav in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.Find the amount when ₹24640 is invested at 25% per year compound interest for 2 years (in ₹).
28. 28.Kabir cycles to his school at 12 km/h and comes back by the same road at 36 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.A pressure cooker is marked at ₹420. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
30. 30.2 years ago, Nisha’s mother was four times as old as Nisha. The mother is 14 years old now. How old is Nisha now?
31. 31.5 years ago, Pooja’s mother was three times as old as Pooja. The mother is 35 years old now. How old is Pooja now?
32. 32.Rahul and Aarav together finish a job in 6 days. Rahul alone takes 18 days. How many days would Aarav take alone?
33. 33.By selling a school bag for ₹323, a shopkeeper makes a loss of 5%. What did the school bag cost the shopkeeper (in ₹)?
34. 34.Kabir cycles to his school at 20 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)?
35. 35.The price of a school bag changes from ₹3140 to ₹3768. By what percent did it go up?
36. 36.Change 25 m/s into km/h.
37. 37.9 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 30 years old now. How old is Saanvi now?
38. 38.A price goes up by 5% and then goes up by 30% more. By what percent has it gone up in all? =
39. 39.What is the difference between the compound interest and the simple interest on ₹100 at 20% per year for 2 years (in ₹)?
40. 40.Ananya’s batting average after 12 innings is 20 runs. How many runs must Ananya score in the next innings to raise the average to 23?

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