Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 249 · 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.Marks of 6 friends in a quiz: 32, 23, 15, 32, 14, 34. What is their average mark?
2. 2.What sum of money earns ₹1974 simple interest in 3 years at 7% per year (in ₹)?
3. 3.Dev and Sneha together finish a job in 15 days. Dev alone takes 24 days. How many days would Sneha take alone?
4. 4.Dev can finish a job in 11 days and Pooja in 10 days. What fraction of the job do they finish if they work together for 1 day? =
5. 5.Kabir cycles to his school at 50 km/h and comes back by the same road at 75 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.A table fan bought for ₹80 is sold at a loss of 10%. What is the selling price (in ₹)?
7. 7.The price of a school bag changes from ₹940 to ₹658. By what percent did it come down?
8. 8.The price of a school bag changes from ₹240 to ₹336. By what percent did it go up?
9. 9.A water tank holds 4140 litres. 15% of the water is used. How many litres are left?
10. 10.A shop sells 180 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
11. 11.Ishaan’s batting average after 8 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 36?
12. 12.Marks of 4 friends in a quiz: 31, 33, 34, 22. What is their average mark?
13. 13.Rahul works twice as fast as Manav. Together they finish a job in 10 days. How many days would Manav take alone?
14. 14.The average of 4 numbers is 51. When one more number is added, the average becomes 53. What number was added?
15. 15.By selling a watch for ₹1225, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
16. 16.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
17. 17.Kabir cycles to his school at 45 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)?
18. 18.A water tank holds 2640 litres. 25% of the water is used. How many litres are left?
19. 19.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
20. 20.A bicycle is marked at ₹580. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
21. 21.What sum of money earns ₹1875 simple interest in 5 years at 5% per year (in ₹)?
22. 22.A car runs for 1 hour at 40 km/h and then for 1 hour at 36 km/h. What is its average speed for the whole journey (in km/h)?
23. 23.A bicycle is marked at ₹1280. The shop gives a 50% discount. How much do you pay (in ₹)?
24. 24.Change 40 m/s into km/h.
25. 25.A bicycle bought for ₹1340 is sold at a profit of 30%. What is the selling price (in ₹)?
26. 26.Diya and Dev together finish a job in 3 days. Diya alone takes 12 days. How many days would Dev take alone?
27. 27.The simple interest on ₹8600 for 3 years is ₹3096. What is the rate of interest (% per year)?
28. 28.Arjun can finish a job in 12 days and Nisha in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
29. 29.The simple interest on ₹7800 for 3 years is ₹1170. What is the rate of interest (% per year)?
30. 30.A shop sells an average of 24 kg of sugar a day for 2 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
31. 31.A shop sells 620 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
32. 32.Kabir cycles to his school at 12 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
33. 33.In how many years will ₹12300 earn ₹1230 as simple interest at 5% per year?
34. 34.What sum of money earns ₹3630 simple interest in 3 years at 10% per year (in ₹)?
35. 35.The average of 4 numbers is 34. When one more number is added, the average becomes 40. What number was added?
36. 36.A pair of shoes marked at ₹4580 is sold for ₹2748. What is the discount percent?
37. 37.In 15 years, Zoya will be twice as old as Zoya was 6 years ago. How old is Zoya now?
38. 38.A bus runs at 20 km/h. How far does it go in 15 minutes (in km)?
39. 39.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
40. 40.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?

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