Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 942 · 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.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
2. 2.The price of a bicycle is ₹4140. It goes up by 5%. What is the new price (in ₹)?
3. 3.A price goes up by 15% and then goes up by 40% more. By what percent has it gone up in all? =
4. 4.After a 40% discount, a table fan costs ₹420. What was its marked price (in ₹)?
5. 5.2 years ago, Kabir’s mother was twice as old as Kabir. The mother is 12 years old now. How old is Kabir now?
6. 6.A pair of shoes is marked at ₹940. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
7. 7.A price comes down by 30% and then comes down by 15% more. By what percent has it come down in all? =
8. 8.A shop sells 3600 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
9. 9.A watch bought for ₹440 is sold at a loss of 25%. What is the selling price (in ₹)?
10. 10.The price of a bicycle is ₹720. It goes up by 25%. What is the new price (in ₹)?
11. 11.Change 90 km/h into metres per second.
12. 12.Change 54 km/h into metres per second.
13. 13.Aarav’s father is twice as old as Aarav. The sum of their ages is 21 years. How old is Aarav?
14. 14.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
15. 15.A shopkeeper buys a school bag for ₹120 and sells it for ₹90. Find the loss percent.
16. 16.In how many years will ₹9100 earn ₹1183 as simple interest at 13% per year?
17. 17.A pair of shoes is marked at ₹1020. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
18. 18.After a 50% discount, a pressure cooker costs ₹1520. What was its marked price (in ₹)?
19. 19.In 5 years, Diya will be twice as old as Diya was 4 years ago. How old is Diya now?
20. 20.Saanvi can finish a job in 5 days and Karan in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
21. 21.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
22. 22.The price of a school bag changes from ₹3060 to ₹3213. By what percent did it go up?
23. 23.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
24. 24.Manav can finish a job in 18 days and Zoya in 5 days. What fraction of the job do they finish if they work together for 1 day? =
25. 25.A water tank holds 220 litres. 15% of the water is used. How many litres are left?
26. 26.A school bag marked at ₹2180 is sold for ₹2071. What is the discount percent?
27. 27.Find the compound interest on ₹20625 at 8% per year for 2 years, added every year (in ₹).
28. 28.A pair of shoes is marked at ₹465. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
29. 29.A bicycle bought for ₹1620 is sold at a loss of 20%. What is the selling price (in ₹)?
30. 30.2 years ago, Dev’s mother was four times as old as Dev. The mother is 42 years old now. How old is Dev now?
31. 31.4 years ago, Aditya’s mother was twice as old as Aditya. The mother is 18 years old now. How old is Aditya now?
32. 32.What sum of money earns ₹774 simple interest in 3 years at 3% per year (in ₹)?
33. 33.A table fan bought for ₹1240 is sold at a loss of 20%. What is the selling price (in ₹)?
34. 34.A car runs for 1 hour at 38 km/h and then for 2 hours at 50 km/h. What is its average speed for the whole journey (in km/h)?
35. 35.Marks of 6 friends in a quiz: 78, 67, 92, 87, 84, 60. What is their average mark?
36. 36.5 years ago, Ananya’s mother was three times as old as Ananya. The mother is 14 years old now. How old is Ananya now?
37. 37.The price of a school bag changes from ₹560 to ₹448. By what percent did it come down?
38. 38.A shopkeeper buys a watch for ₹520 and sells it for ₹312. Find the loss percent.
39. 39.By selling a table fan for ₹500, a shopkeeper makes a profit of 25%. What did the table fan cost the shopkeeper (in ₹)?
40. 40.Karan works twice as fast as Diya. Together they finish a job in 12 days. How many days would Diya take alone?

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