Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 986 · 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.Kavya can finish a job in 13 days and Priya in 7 days. What fraction of the job do they finish if they work together for 1 day? =
2. 2.In how many years will ₹8100 earn ₹4536 as simple interest at 14% per year?
3. 3.What is the difference between the compound interest and the simple interest on ₹3600 at 15% per year for 2 years (in ₹)?
4. 4.In how many years will ₹7400 earn ₹4070 as simple interest at 11% per year?
5. 5.Marks of 6 friends in a quiz: 20, 10, 28, 25, 35, 26. What is their average mark?
6. 6.Find the simple interest on ₹19700 at 10% per year for 1 year (in ₹).
7. 7.10 years ago, Kabir’s mother was four times as old as Kabir. The mother is 34 years old now. How old is Kabir now?
8. 8.A car runs for 1 hour at 36 km/h and then for 1 hour at 52 km/h. What is its average speed for the whole journey (in km/h)?
9. 9.A watch is marked at ₹240. The shop gives a 40% discount. How much do you pay (in ₹)?
10. 10.Find the simple interest on ₹2900 at 9% per year for 2 years (in ₹).
11. 11.Find the amount when ₹36400 is invested at 15% per year compound interest for 2 years (in ₹).
12. 12.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
13. 13.In how many years will ₹12900 earn ₹258 as simple interest at 2% per year?
14. 14.A watch is marked at ₹2660. The shop gives a 20% discount. How much do you pay (in ₹)?
15. 15.Find the simple interest on ₹18300 at 4% per year for 4 years (in ₹).
16. 16.Change 20 m/s into km/h.
17. 17.A study lamp is marked at ₹2460. The shop gives a 20% discount. How much do you pay (in ₹)?
18. 18.By selling a pressure cooker for ₹2240, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
19. 19.A shop sells 840 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
20. 20.The simple interest on ₹4100 for 5 years is ₹2870. What is the rate of interest (% per year)?
21. 21.By selling a bicycle for ₹192, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
22. 22.A price comes down by 25% and then comes down by 50% more. By what percent has it come down in all? =
23. 23.A shopkeeper buys a pair of shoes for ₹860 and sells it for ₹1032. Find the profit percent.
24. 24.A cricket bat bought for ₹260 is sold at a loss of 50%. What is the selling price (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹24200 at 10% per year for 2 years (in ₹)?
26. 26.A pressure cooker marked at ₹500 is sold for ₹400. What is the discount percent?
27. 27.Kabir cycles to his school at 42 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)?
28. 28.A shop sells 1220 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
29. 29.The simple interest on ₹11300 for 5 years is ₹6780. What is the rate of interest (% per year)?
30. 30.Find the simple interest on ₹5300 at 5% per year for 2 years (in ₹).
31. 31.A shop sells an average of 73 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)?
32. 32.The price of a school bag changes from ₹1540 to ₹924. By what percent did it come down?
33. 33.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
34. 34.Priya is 3 years older than Vivaan. In 2 years, the sum of their ages will be 19. How old is Vivaan now?
35. 35.A town has 3280 people. Its population grows by 10%. How many people live there now?
36. 36.Find the compound interest on ₹39375 at 12% per year for 2 years, added every year (in ₹).
37. 37.Tara is 9 years older than Nisha. In 6 years, the sum of their ages will be 77. How old is Nisha now?
38. 38.After a 5% discount, a school bag costs ₹399. What was its marked price (in ₹)?
39. 39.A cricket bat is marked at ₹760. The shop gives a 50% discount. How much do you pay (in ₹)?
40. 40.A shop sells an average of 34 kg of sugar a day for 4 days, and then 76 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?

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