Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 216 · 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.Find the amount when ₹6400 is invested at 5% per year compound interest for 2 years (in ₹).
2. 2.By selling a school bag for ₹1748, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
3. 3.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
4. 4.A study lamp is marked at ₹2640. The shop gives a 30% discount. How much do you pay (in ₹)?
5. 5.The price of a school bag changes from ₹4160 to ₹4368. By what percent did it go up?
6. 6.Change 20 m/s into km/h.
7. 7.The average weight of 6 children is 28 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A bicycle bought for ₹80 is sold at a loss of 20%. What is the selling price (in ₹)?
9. 9.A town has 4520 people. Its population grows by 50%. How many people live there now?
10. 10.A shopkeeper buys a study lamp for ₹820 and sells it for ₹1066. Find the profit percent.
11. 11.Find the compound interest on ₹24400 at 5% per year for 2 years, added every year (in ₹).
12. 12.Change 25 m/s into km/h.
13. 13.A watch bought for ₹1160 is sold at a loss of 40%. What is the selling price (in ₹)?
14. 14.9 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 17 years old now. How old is Vivaan now?
15. 15.After a 40% discount, a watch costs ₹1788. What was its marked price (in ₹)?
16. 16.Aditya’s father is three times as old as Aditya. The sum of their ages is 56 years. How old is Aditya?
17. 17.Marks of 5 friends in a quiz: 74, 55, 64, 51, 71. What is their average mark?
18. 18.Find the simple interest on ₹15000 at 5% per year for 4 years (in ₹).
19. 19.A bicycle marked at ₹1980 is sold for ₹990. What is the discount percent?
20. 20.By selling a cricket bat for ₹903, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
21. 21.A study lamp is marked at ₹4840. The shop gives a 5% discount. How much do you pay (in ₹)?
22. 22.Diya puts ₹8200 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
23. 23.Find the amount when ₹9800 is invested at 10% per year compound interest for 2 years (in ₹).
24. 24.A shop sells an average of 64 kg of sugar a day for 6 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
25. 25.The simple interest on ₹13300 for 4 years is ₹4788. What is the rate of interest (% per year)?
26. 26.Kabir’s father is three times as old as Kabir. The sum of their ages is 52 years. How old is the father?
27. 27.A study lamp is marked at ₹1780. The shop gives a 30% discount. How much do you pay (in ₹)?
28. 28.A table fan bought for ₹1580 is sold at a loss of 20%. What is the selling price (in ₹)?
29. 29.A car runs for 4 hours at 33 km/h and then for 4 hours at 49 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.The price of a school bag changes from ₹2740 to ₹3425. By what percent did it go up?
31. 31.A price goes up by 15% and then goes up by 15% more. By what percent has it gone up in all? =
32. 32.In how many years will ₹12800 earn ₹6144 as simple interest at 12% per year?
33. 33.A price goes up by 40% and then comes down by 5%. By what percent has it gone up in all? =
34. 34.After a 30% discount, a study lamp costs ₹154. What was its marked price (in ₹)?
35. 35.A shop sells an average of 30 kg of sugar a day for 5 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
36. 36.Change 5 m/s into km/h.
37. 37.The price of a school bag changes from ₹3040 to ₹3496. By what percent did it go up?
38. 38.A shop sells an average of 40 kg of sugar a day for 3 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
39. 39.Ananya can finish a job in 3 days and Rohan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
40. 40.Arjun is 3 years older than Priya. In 9 years, the sum of their ages will be 51. How old is Priya now?

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