Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 631 · 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.A water tank holds 3120 litres. 20% of the water is used. How many litres are left?
2. 2.Zoya can finish a job in 11 days and Diya in 7 days. What fraction of the job do they finish if they work together for 3 days? =
3. 3.Marks of 6 friends in a quiz: 67, 77, 66, 84, 63, 99. What is their average mark?
4. 4.The simple interest on ₹1700 for 2 years is ₹68. What is the rate of interest (% per year)?
5. 5.Priya’s batting average after 15 innings is 33 runs. How many runs must Priya score in the next innings to raise the average to 34?
6. 6.A school bag bought for ₹1140 is sold at a profit of 25%. What is the selling price (in ₹)?
7. 7.The simple interest on ₹4600 for 1 year is ₹230. What is the rate of interest (% per year)?
8. 8.Tara and Aarav together finish a job in 7 days. Tara alone takes 8 days. How many days would Aarav take alone?
9. 9.What sum of money earns ₹1408 simple interest in 1 year at 8% per year (in ₹)?
10. 10.6 years ago, Farhan’s mother was four times as old as Farhan. The mother is 38 years old now. How old is Farhan now?
11. 11.A study lamp marked at ₹2240 is sold for ₹2128. What is the discount percent?
12. 12.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?
13. 13.In how many years will ₹2500 earn ₹1875 as simple interest at 15% per year?
14. 14.Tara can finish a job in 17 days and Kabir in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.Isha is 10 years older than Arjun. In 4 years, the sum of their ages will be 64. How old is Arjun now?
16. 16.Dev is 10 years older than Diya. In 3 years, the sum of their ages will be 70. How old is Diya now?
17. 17.Kabir cycles to his school at 35 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
18. 18.A car runs for 2 hours at 20 km/h and then for 1 hour at 23 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.By selling a cricket bat for ₹1577, a shopkeeper makes a loss of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
20. 20.A shop sells an average of 28 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
21. 21.A bus runs at 90 km/h. How far does it go in 40 minutes (in km)?
22. 22.A pair of shoes bought for ₹200 is sold at a profit of 30%. What is the selling price (in ₹)?
23. 23.Kabir cycles to his school at 18 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)?
24. 24.Zoya is 10 years older than Nisha. In 4 years, the sum of their ages will be 28. How old is Nisha now?
25. 25.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
26. 26.How many minutes does a car take to go 84 km at 45 km/h?
27. 27.A shopkeeper buys a pressure cooker for ₹280 and sells it for ₹308. Find the profit percent.
28. 28.Pooja’s batting average after 9 innings is 48 runs. How many runs must Pooja score in the next innings to raise the average to 50?
29. 29.A shopkeeper buys a pair of shoes for ₹880 and sells it for ₹1012. Find the profit percent.
30. 30.Change 10 m/s into km/h.
31. 31.A town has 2280 people. Its population grows by 25%. How many people live there now?
32. 32.Find the simple interest on ₹4900 at 14% per year for 3 years (in ₹).
33. 33.Arjun can finish a job in 14 days and Ananya in 4 days. What fraction of the job do they finish if they work together for 3 days? =
34. 34.Marks of 6 friends in a quiz: 69, 55, 72, 47, 49, 80. What is their average mark?
35. 35.After a 15% discount, a school bag costs ₹3434. What was its marked price (in ₹)?
36. 36.A car runs for 1 hour at 41 km/h and then for 1 hour at 57 km/h. What is its average speed for the whole journey (in km/h)?
37. 37.A table fan is marked at ₹424. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
38. 38.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
39. 39.A car runs for 4 hours at 57 km/h and then for 3 hours at 71 km/h. What is its average speed for the whole journey (in km/h)?
40. 40.Vivaan’s batting average after 14 innings is 31 runs. How many runs must Vivaan score in the next innings to raise the average to 36?

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