Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 525 · 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 shopkeeper buys a pair of shoes for ₹780 and sells it for ₹624. Find the loss percent.
2. 2.A bicycle is marked at ₹1040. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
4. 4.The price of a school bag changes from ₹4440 to ₹4662. By what percent did it go up?
5. 5.A bicycle is marked at ₹1120. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
6. 6.After a 50% discount, a school bag costs ₹2460. What was its marked price (in ₹)?
7. 7.A water tank holds 2860 litres. 10% of the water is used. How many litres are left?
8. 8.A cricket bat marked at ₹320 is sold for ₹224. What is the discount percent?
9. 9.The price of a school bag changes from ₹2140 to ₹2354. By what percent did it go up?
10. 10.The simple interest on ₹19000 for 5 years is ₹12350. What is the rate of interest (% per year)?
11. 11.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
12. 12.Ananya can finish a job in 4 days and Saanvi in 19 days. What fraction of the job do they finish if they work together for 3 days? =
13. 13.A shop sells an average of 66 kg of sugar a day for 5 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
14. 14.Kavya can finish a job in 11 days and Manav in 13 days. What fraction of the job do they finish if they work together for 1 day? =
15. 15.Ishaan can finish a job in 12 days and Rohan in 18 days. What fraction of the job do they finish if they work together for 1 day? =
16. 16.How many minutes does a car take to go 78 km at 65 km/h?
17. 17.The price of a school bag changes from ₹3420 to ₹3249. By what percent did it come down?
18. 18.Rahul can finish a job in 18 days and Rohan in 8 days. What fraction of the job do they finish if they work together for 2 days? =
19. 19.The price of a school bag changes from ₹4500 to ₹5625. By what percent did it go up?
20. 20.A shop sells an average of 66 kg of sugar a day for 5 days, and then 54 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
21. 21.Find the simple interest on ₹12100 at 4% per year for 4 years (in ₹).
22. 22.A watch is marked at ₹920. The shop gives a 15% discount. How much do you pay (in ₹)?
23. 23.By selling a pair of shoes for ₹770, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
24. 24.A bicycle bought for ₹360 is sold at a loss of 30%. What is the selling price (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
26. 26.A price goes up by 30% and then goes up by 50% more. By what percent has it gone up in all? =
27. 27.What is the difference between the compound interest and the simple interest on ₹31400 at 10% per year for 2 years (in ₹)?
28. 28.A watch is marked at ₹720. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
29. 29.After a 50% discount, a cricket bat costs ₹1840. What was its marked price (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹17600 at 25% per year for 2 years (in ₹)?
31. 31.A car runs for 2 hours at 65 km/h and then for 1 hour at 62 km/h. What is its average speed for the whole journey (in km/h)?
32. 32.Pooja can finish a job in 26 days and Rohan in 13 days. Pooja works alone for 2 days and then stops. Rohan finishes the rest. How many days does Rohan take?
33. 33.A pair of shoes is marked at ₹1200. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
34. 34.In 6 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
35. 35.Dev’s father is three times as old as Dev. The sum of their ages is 60 years. How old is Dev?
36. 36.By selling a bicycle for ₹500, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.A price goes up by 25% and then goes up by 20% more. By what percent has it gone up in all? =
38. 38.A study lamp is marked at ₹960. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
39. 39.Diya’s batting average after 6 innings is 39 runs. How many runs must Diya score in the next innings to raise the average to 40?
40. 40.In how many years will ₹13600 earn ₹2448 as simple interest at 6% per year?

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