Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 187 · 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.By selling a study lamp for ₹340, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
2. 2.A pair of shoes is marked at ₹900. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
3. 3.How many minutes does a car take to go 10 km at 50 km/h?
4. 4.Find the simple interest on ₹3400 at 3% per year for 3 years (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹7600 at 25% per year for 2 years (in ₹)?
6. 6.A school bag marked at ₹4680 is sold for ₹3276. What is the discount percent?
7. 7.A price goes up by 5% and then goes up by 20% more. By what percent has it gone up in all? =
8. 8.A school bag is marked at ₹440. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
9. 9.8 years ago, Arjun’s mother was four times as old as Arjun. The mother is 48 years old now. How old is Arjun now?
10. 10.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
11. 11.The price of a bicycle is ₹180. It goes up by 10%. What is the new price (in ₹)?
12. 12.Diya works three times as fast as Kabir. Together they finish a job in 11 days. How many days would Kabir take alone?
13. 13.After a 25% discount, a school bag costs ₹675. What was its marked price (in ₹)?
14. 14.Find the compound interest on ₹43125 at 8% per year for 2 years, added every year (in ₹).
15. 15.The price of a school bag changes from ₹3460 to ₹4325. By what percent did it go up?
16. 16.Change 10 m/s into km/h.
17. 17.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
18. 18.Kabir cycles to his school at 77 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
19. 19.Meera can finish a job in 21 days and Ananya in 28 days. Meera works alone for 18 days and then stops. Ananya finishes the rest. How many days does Ananya take?
20. 20.In how many years will ₹1800 earn ₹630 as simple interest at 7% per year?
21. 21.Change 40 m/s into km/h.
22. 22.A table fan marked at ₹2740 is sold for ₹1918. What is the discount percent?
23. 23.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
24. 24.By selling a watch for ₹390, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
25. 25.A shopkeeper buys a school bag for ₹760 and sells it for ₹570. Find the loss percent.
26. 26.Find the compound interest on ₹12300 at 10% per year for 2 years, added every year (in ₹).
27. 27.Find the compound interest on ₹10625 at 8% per year for 2 years, added every year (in ₹).
28. 28.Arjun’s batting average after 13 innings is 31 runs. How many runs must Arjun score in the next innings to raise the average to 34?
29. 29.A shop sells an average of 53 kg of sugar a day for 2 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
30. 30.In 26 years, Aarav will be three times as old as Aarav was 6 years ago. How old is Aarav now?
31. 31.A school bag is marked at ₹415. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹47600 at 15% per year for 2 years (in ₹)?
33. 33.By selling a school bag for ₹576, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
34. 34.A shop sells an average of 26 kg of sugar a day for 5 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
35. 35.The price of a school bag changes from ₹840 to ₹630. By what percent did it come down?
36. 36.Zoya can finish a job in 4 days and Kavya in 8 days. What fraction of the job do they finish if they work together for 2 days? =
37. 37.A price goes up by 30% and then goes up by 15% more. By what percent has it gone up in all? =
38. 38.A shop sells 1780 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
39. 39.How many minutes does a car take to go 120 km at 48 km/h?
40. 40.Marks of 4 friends in a quiz: 22, 34, 25, 55. What is their average mark?

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