Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 629 · 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 bicycle for ₹2000 and sells it for ₹1600. Find the loss percent.
2. 2.A shopkeeper buys a table fan for ₹1540 and sells it for ₹1463. Find the loss percent.
3. 3.Pooja is 4 years older than Tara. In 2 years, the sum of their ages will be 20. How old is Tara now?
4. 4.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
5. 5.By selling a watch for ₹255, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
6. 6.A shopkeeper buys a bicycle for ₹1780 and sells it for ₹2225. Find the profit percent.
7. 7.The average of 4 numbers is 27. When one more number is added, the average becomes 30. What number was added?
8. 8.Change 108 km/h into metres per second.
9. 9.A shop sells 2440 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
10. 10.A bicycle is marked at ₹1060. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
11. 11.Aarav works three times as fast as Farhan. Together they finish a job in 6 days. How many days would Farhan take alone?
12. 12.What is the difference between the compound interest and the simple interest on ₹16800 at 25% per year for 2 years (in ₹)?
13. 13.Nisha’s father is three times as old as Nisha. The sum of their ages is 28 years. How old is the father?
14. 14.By selling a table fan for ₹575, a shopkeeper makes a profit of 15%. What did the table fan cost the shopkeeper (in ₹)?
15. 15.Diya puts ₹19100 in a bank at 12% simple interest per year. How much will she have after 4 years (in ₹)?
16. 16.Rahul works twice as fast as Diya. Together they finish a job in 6 days. How many days would Diya take alone?
17. 17.By selling a school bag for ₹675, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
18. 18.A watch bought for ₹1060 is sold at a profit of 5%. What is the selling price (in ₹)?
19. 19.Find the simple interest on ₹17500 at 4% per year for 4 years (in ₹).
20. 20.By selling a pressure cooker for ₹2408, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
21. 21.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
22. 22.How many minutes does a car take to go 146 km at 40 km/h?
23. 23.Change 10 m/s into km/h.
24. 24.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)?
25. 25.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
26. 26.Ananya’s father is four times as old as Ananya. The sum of their ages is 70 years. How old is the father?
27. 27.Find the simple interest on ₹10200 at 4% per year for 2 years (in ₹).
28. 28.A car runs for 1 hour at 26 km/h and then for 4 hours at 21 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.How many minutes does a car take to go 121 km at 60 km/h?
30. 30.A watch marked at ₹4360 is sold for ₹3270. What is the discount percent?
31. 31.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
32. 32.Vivaan is 9 years older than Rahul. In 8 years, the sum of their ages will be 81. How old is Rahul now?
33. 33.A shop sells 420 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
34. 34.The average of 6 numbers is 31. When one more number is added, the average becomes 33. What number was added?
35. 35.After a 40% discount, a pressure cooker costs ₹384. What was its marked price (in ₹)?
36. 36.A price goes up by 10% and then goes up by 25% more. By what percent has it gone up in all? =
37. 37.After a 40% discount, a school bag costs ₹1272. What was its marked price (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
39. 39.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
40. 40.Zoya and Aarav together finish a job in 4 days. Zoya alone takes 5 days. How many days would Aarav take alone?

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