Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 837 · 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 price comes down by 20% and then comes down by 40% more. By what percent has it come down in all? =
2. 2.Kabir cycles to his school at 48 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
3. 3.Find the simple interest on ₹18600 at 5% per year for 2 years (in ₹).
4. 4.By selling a table fan for ₹350, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
5. 5.By selling a cricket bat for ₹1056, a shopkeeper makes a loss of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
6. 6.A shopkeeper buys a watch for ₹1140 and sells it for ₹969. Find the loss percent.
7. 7.What is the difference between the compound interest and the simple interest on ₹20000 at 4% per year for 2 years (in ₹)?
8. 8.Change 18 km/h into metres per second.
9. 9.A water tank holds 1680 litres. 10% of the water is used. How many litres are left?
10. 10.Pooja’s father is five times as old as Pooja. The sum of their ages is 30 years. How old is Pooja?
11. 11.Aditya can finish a job in 7 days and Isha in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
12. 12.Kabir cycles to his school at 15 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
13. 13.A town has 300 people. Its population grows by 30%. How many people live there now?
14. 14.Marks of 6 friends in a quiz: 31, 28, 41, 49, 20, 41. What is their average mark?
15. 15.Diya’s batting average after 14 innings is 27 runs. How many runs must Diya score in the next innings to raise the average to 29?
16. 16.A school bag is marked at ₹1860. The shop gives a 10% discount. How much do you pay (in ₹)?
17. 17.A bicycle is marked at ₹4000. The shop gives a 30% discount. How much do you pay (in ₹)?
18. 18.A pair of shoes bought for ₹1940 is sold at a loss of 10%. What is the selling price (in ₹)?
19. 19.Nisha’s batting average after 14 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 52?
20. 20.Marks of 6 friends in a quiz: 68, 56, 67, 53, 62, 30. What is their average mark?
21. 21.A shopkeeper buys a pressure cooker for ₹600 and sells it for ₹630. Find the profit percent.
22. 22.The price of a school bag changes from ₹4220 to ₹4642. By what percent did it go up?
23. 23.Vivaan can finish a job in 8 days and Rohan in 4 days. Vivaan works alone for 6 days and then stops. Rohan finishes the rest. How many days does Rohan take?
24. 24.Kavya’s father is four times as old as Kavya. The sum of their ages is 55 years. How old is the father?
25. 25.Change 35 m/s into km/h.
26. 26.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
27. 27.Diya puts ₹11600 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
28. 28.A shop sells an average of 66 kg of sugar a day for 3 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
29. 29.Zoya can finish a job in 19 days and Kavya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.In 1 years, Tara will be twice as old as Tara was 5 years ago. How old is Tara now?
31. 31.Find the amount when ₹6000 is invested at 10% per year compound interest for 3 years (in ₹).
32. 32.Arjun’s father is four times as old as Arjun. The sum of their ages is 50 years. How old is Arjun?
33. 33.A price goes up by 50% and then comes down by 5%. By what percent has it gone up in all? =
34. 34.A car runs for 3 hours at 33 km/h and then for 1 hour at 73 km/h. What is its average speed for the whole journey (in km/h)?
35. 35.A shop sells an average of 76 kg of sugar a day for 6 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
36. 36.The simple interest on ₹15400 for 5 years is ₹5390. What is the rate of interest (% per year)?
37. 37.9 years ago, Farhan’s mother was three times as old as Farhan. The mother is 45 years old now. How old is Farhan now?
38. 38.Find the simple interest on ₹19200 at 3% per year for 2 years (in ₹).
39. 39.By selling a bicycle for ₹475, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
40. 40.Diya and Arjun together finish a job in 2 days. Diya alone takes 3 days. How many days would Arjun take alone?

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