Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 712 · 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 car runs for 4 hours at 46 km/h and then for 4 hours at 56 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.A shopkeeper buys a cricket bat for ₹1220 and sells it for ₹732. Find the loss percent.
3. 3.Priya works three times as fast as Kabir. Together they finish a job in 12 days. How many days would Kabir take alone?
4. 4.Find the amount when ₹37312 is invested at 25% per year compound interest for 3 years (in ₹).
5. 5.Ishaan is 4 years older than Meera. In 9 years, the sum of their ages will be 38. How old is Meera now?
6. 6.A price goes up by 15% and then comes down by 5%. By what percent has it gone up in all? =
7. 7.A shop sells an average of 37 kg of sugar a day for 3 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
8. 8.A study lamp marked at ₹3340 is sold for ₹2839. What is the discount percent?
9. 9.The price of a bicycle is ₹1480. It goes up by 15%. What is the new price (in ₹)?
10. 10.Vivaan can finish a job in 9 days and Aditya in 27 days. Vivaan works alone for 3 days and then stops. Aditya finishes the rest. How many days does Aditya take?
11. 11.How many minutes does a car take to go 42 km at 56 km/h?
12. 12.A price goes up by 15% and then goes up by 30% more. By what percent has it gone up in all? =
13. 13.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
14. 14.A price goes up by 10% and then goes up by 15% more. By what percent has it gone up in all? =
15. 15.A price goes up by 20% and then comes down by 15%. By what percent has it gone up in all? =
16. 16.A school bag is marked at ₹2540. The shop gives a 10% discount. How much do you pay (in ₹)?
17. 17.Change 72 km/h into metres per second.
18. 18.A school bag marked at ₹900 is sold for ₹810. What is the discount percent?
19. 19.Dev’s father is five times as old as Dev. The sum of their ages is 54 years. How old is Dev?
20. 20.A water tank holds 700 litres. 40% of the water is used. How many litres are left?
21. 21.The price of a bicycle is ₹4920. It goes up by 15%. What is the new price (in ₹)?
22. 22.Meera can finish a job in 17 days and Rohan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.Find the simple interest on ₹500 at 3% per year for 4 years (in ₹).
24. 24.Nisha’s father is twice as old as Nisha. The sum of their ages is 24 years. How old is the father?
25. 25.The price of a school bag changes from ₹2440 to ₹2684. By what percent did it go up?
26. 26.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
27. 27.A watch bought for ₹600 is sold at a profit of 5%. What is the selling price (in ₹)?
28. 28.Change 15 m/s into km/h.
29. 29.Find the compound interest on ₹6250 at 8% per year for 2 years, added every year (in ₹).
30. 30.Marks of 6 friends in a quiz: 31, 47, 34, 22, 35, 47. What is their average mark?
31. 31.A watch is marked at ₹1980. The shop gives a 15% discount. How much do you pay (in ₹)?
32. 32.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
33. 33.What is the difference between the compound interest and the simple interest on ₹34600 at 10% per year for 2 years (in ₹)?
34. 34.Change 90 km/h into metres per second.
35. 35.Find the simple interest on ₹13100 at 15% per year for 5 years (in ₹).
36. 36.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
37. 37.Find the simple interest on ₹14000 at 8% per year for 1 year (in ₹).
38. 38.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
39. 39.Find the amount when ₹700 is invested at 10% per year compound interest for 2 years (in ₹).
40. 40.Priya’s batting average after 6 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 25?

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