Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 71 · 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 table fan for ₹1700 and sells it for ₹1190. Find the loss percent.
2. 2.Farhan and Kabir together finish a job in 5 days. Farhan alone takes 6 days. How many days would Kabir take alone?
3. 3.A shopkeeper buys a cricket bat for ₹1480 and sells it for ₹1554. Find the profit percent.
4. 4.The average of 9 numbers is 40. When one more number is added, the average becomes 44. What number was added?
5. 5.By selling a table fan for ₹1650, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
6. 6.Find the simple interest on ₹13900 at 6% per year for 1 year (in ₹).
7. 7.Ishaan can finish a job in 27 days and Saanvi in 18 days. Ishaan works alone for 24 days and then stops. Saanvi finishes the rest. How many days does Saanvi take?
8. 8.A shop sells 1860 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
9. 9.A school bag marked at ₹2760 is sold for ₹2622. What is the discount percent?
10. 10.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
11. 11.The price of a school bag changes from ₹480 to ₹456. By what percent did it come down?
12. 12.Vivaan is 3 years older than Rohan. In 4 years, the sum of their ages will be 21. How old is Rohan now?
13. 13.Change 72 km/h into metres per second.
14. 14.A shopkeeper buys a school bag for ₹1740 and sells it for ₹1305. Find the loss percent.
15. 15.A car runs for 1 hour at 23 km/h and then for 1 hour at 33 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
17. 17.A price goes up by 20% and then goes up by 50% more. By what percent has it gone up in all? =
18. 18.Pooja and Saanvi together finish a job in 2 days. Pooja alone takes 3 days. How many days would Saanvi take alone?
19. 19.In 7 years, Kavya will be three times as old as Kavya was 3 years ago. How old is Kavya now?
20. 20.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
21. 21.A shop sells 680 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
22. 22.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
23. 23.A price goes up by 25% and then goes up by 10% more. By what percent has it gone up in all? =
24. 24.What is the difference between the compound interest and the simple interest on ₹6400 at 5% per year for 2 years (in ₹)?
25. 25.By selling a watch for ₹336, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
26. 26.By selling a table fan for ₹1482, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
27. 27.How many minutes does a car take to go 80 km at 60 km/h?
28. 28.A table fan marked at ₹3520 is sold for ₹2464. What is the discount percent?
29. 29.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
30. 30.In 12 years, Karan will be three times as old as Karan was 4 years ago. How old is Karan now?
31. 31.What sum of money earns ₹440 simple interest in 2 years at 5% per year (in ₹)?
32. 32.In 25 years, Aarav will be twice as old as Aarav was 5 years ago. How old is Aarav now?
33. 33.In 16 years, Karan will be three times as old as Karan was 4 years ago. How old is Karan now?
34. 34.Diya can finish a job in 19 days and Farhan in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
35. 35.Find the amount when ₹8475 is invested at 20% per year compound interest for 2 years (in ₹).
36. 36.A shopkeeper buys a cricket bat for ₹600 and sells it for ₹690. Find the profit percent.
37. 37.The average weight of 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
38. 38.Rahul’s batting average after 13 innings is 32 runs. How many runs must Rahul score in the next innings to raise the average to 36?
39. 39.What sum of money earns ₹1288 simple interest in 1 year at 14% per year (in ₹)?
40. 40.Nisha can finish a job in 19 days and Pooja in 11 days. What fraction of the job do they finish if they work together for 3 days? =

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