Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 701 · 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 4640 litres. 10% of the water is used. How many litres are left?
2. 2.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
3. 3.In 6 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
4. 4.Change 10 m/s into km/h.
5. 5.Change 5 m/s into km/h.
6. 6.A water tank holds 720 litres. 10% of the water is used. How many litres are left?
7. 7.Marks of 4 friends in a quiz: 53, 64, 46, 49. What is their average mark?
8. 8.A car runs for 2 hours at 46 km/h and then for 1 hour at 28 km/h. What is its average speed for the whole journey (in km/h)?
9. 9.Aarav can finish a job in 4 days and Dev in 16 days. Aarav works alone for 1 day and then stops. Dev finishes the rest. How many days does Dev take?
10. 10.Nisha can finish a job in 3 days and Ananya in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.A bicycle bought for ₹1500 is sold at a profit of 10%. What is the selling price (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
13. 13.Marks of 4 friends in a quiz: 59, 49, 57, 79. What is their average mark?
14. 14.A shopkeeper buys a watch for ₹1880 and sells it for ₹2068. Find the profit percent.
15. 15.A town has 3460 people. Its population grows by 40%. How many people live there now?
16. 16.A price goes up by 20% and then comes down by 5%. By what percent has it gone up in all? =
17. 17.What is the difference between the compound interest and the simple interest on ₹38000 at 25% per year for 2 years (in ₹)?
18. 18.In 7 years, Kabir will be twice as old as Kabir was 5 years ago. How old is Kabir now?
19. 19.Ananya can finish a job in 7 days and Arjun in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
20. 20.Meera is 10 years older than Rahul. In 10 years, the sum of their ages will be 64. How old is Rahul now?
21. 21.Nisha can finish a job in 6 days and Tara in 4 days. What fraction of the job do they finish if they work together for 1 day? =
22. 22.A shopkeeper buys a pair of shoes for ₹180 and sells it for ₹207. Find the profit percent.
23. 23.In how many years will ₹1000 earn ₹360 as simple interest at 12% per year?
24. 24.Arjun and Tara together finish a job in 7 days. Arjun alone takes 14 days. How many days would Tara take alone?
25. 25.A shopkeeper buys a bicycle for ₹1260 and sells it for ₹1764. Find the profit percent.
26. 26.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
27. 27.A pair of shoes is marked at ₹3400. The shop gives a 20% discount. How much do you pay (in ₹)?
28. 28.Find the compound interest on ₹10000 at 4% per year for 2 years, added every year (in ₹).
29. 29.Meera can finish a job in 4 days and Dev in 8 days. Meera works alone for 2 days and then stops. Dev finishes the rest. How many days does Dev take?
30. 30.What is the difference between the compound interest and the simple interest on ₹32000 at 25% per year for 2 years (in ₹)?
31. 31.A pressure cooker marked at ₹1020 is sold for ₹765. What is the discount percent?
32. 32.Diya puts ₹15600 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
33. 33.By selling a table fan for ₹2047, a shopkeeper makes a profit of 15%. What did the table fan cost the shopkeeper (in ₹)?
34. 34.Change 18 km/h into metres per second.
35. 35.Meera’s batting average after 13 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 42?
36. 36.A shop sells an average of 27 kg of sugar a day for 4 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
37. 37.By selling a bicycle for ₹1624, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
38. 38.Change 25 m/s into km/h.
39. 39.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
40. 40.Change 40 m/s into km/h.

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