Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 428 · 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 ₹47500 at 8% per year for 2 years (in ₹)?
2. 2.The average of 7 numbers is 28. When one more number is added, the average becomes 33. What number was added?
3. 3.A study lamp marked at ₹3780 is sold for ₹3402. What is the discount percent?
4. 4.What sum of money earns ₹5236 simple interest in 2 years at 14% per year (in ₹)?
5. 5.Change 108 km/h into metres per second.
6. 6.A water tank holds 2200 litres. 5% of the water is used. How many litres are left?
7. 7.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
8. 8.By selling a pair of shoes for ₹1488, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
9. 9.10 years ago, Aditya’s mother was twice as old as Aditya. The mother is 24 years old now. How old is Aditya now?
10. 10.The price of a school bag changes from ₹3520 to ₹5280. By what percent did it go up?
11. 11.A cricket bat bought for ₹880 is sold at a loss of 40%. What is the selling price (in ₹)?
12. 12.The price of a bicycle is ₹1500. It goes up by 20%. What is the new price (in ₹)?
13. 13.Find the compound interest on ₹42500 at 12% per year for 2 years, added every year (in ₹).
14. 14.A shopkeeper buys a pair of shoes for ₹1900 and sells it for ₹1330. Find the loss percent.
15. 15.A price comes down by 5% and then comes down by 20% more. By what percent has it come down in all? =
16. 16.Change 35 m/s into km/h.
17. 17.Find the amount when ₹46250 is invested at 4% per year compound interest for 2 years (in ₹).
18. 18.A shop sells an average of 79 kg of sugar a day for 4 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
19. 19.Meera’s father is three times as old as Meera. The sum of their ages is 60 years. How old is the father?
20. 20.Find the amount when ₹30064 is invested at 25% per year compound interest for 2 years (in ₹).
21. 21.A shop sells 2060 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
22. 22.Find the simple interest on ₹17300 at 5% per year for 2 years (in ₹).
23. 23.A table fan bought for ₹1180 is sold at a profit of 25%. What is the selling price (in ₹)?
24. 24.The simple interest on ₹17100 for 4 years is ₹9576. What is the rate of interest (% per year)?
25. 25.Find the compound interest on ₹6850 at 20% per year for 2 years, added every year (in ₹).
26. 26.Ananya works three times as fast as Rahul. Together they finish a job in 4 days. How many days would Rahul take alone?
27. 27.A pair of shoes is marked at ₹2940. The shop gives a 10% discount. How much do you pay (in ₹)?
28. 28.A car runs for 2 hours at 26 km/h and then for 1 hour at 56 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.Tara works twice as fast as Priya. Together they finish a job in 4 days. How many days would Priya take alone?
30. 30.Kabir’s father is twice as old as Kabir. The sum of their ages is 42 years. How old is Kabir?
31. 31.A bus runs at 51 km/h. How far does it go in 20 minutes (in km)?
32. 32.The price of a bicycle is ₹100. It goes up by 10%. What is the new price (in ₹)?
33. 33.A bicycle bought for ₹100 is sold at a profit of 15%. What is the selling price (in ₹)?
34. 34.The average weight of 7 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
35. 35.Ananya can finish a job in 4 days and Vivaan in 12 days. What fraction of the job do they finish if they work together for 1 day? =
36. 36.A shop sells an average of 22 kg of sugar a day for 5 days, and then 78 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
37. 37.A shopkeeper buys a study lamp for ₹1420 and sells it for ₹2130. Find the profit percent.
38. 38.Ananya and Sneha together finish a job in 8 days. Ananya alone takes 9 days. How many days would Sneha take alone?
39. 39.In how many years will ₹16000 earn ₹1600 as simple interest at 10% per year?
40. 40.Find the amount when ₹5200 is invested at 15% per year compound interest for 2 years (in ₹).

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