Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 136 · 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.Change 18 km/h into metres per second.
2. 2.Kabir cycles to his school at 18 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
3. 3.By selling a cricket bat for ₹1575, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
4. 4.Aarav’s batting average after 7 innings is 27 runs. How many runs must Aarav score in the next innings to raise the average to 31?
5. 5.A price comes down by 20% and then comes down by 50% more. By what percent has it come down in all? =
6. 6.A cricket bat bought for ₹1160 is sold at a loss of 40%. What is the selling price (in ₹)?
7. 7.The price of a school bag changes from ₹2500 to ₹1250. By what percent did it come down?
8. 8.Ishaan can finish a job in 12 days and Sneha in 28 days. Ishaan works alone for 6 days and then stops. Sneha finishes the rest. How many days does Sneha take?
9. 9.By selling a cricket bat for ₹490, a shopkeeper makes a loss of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
10. 10.A water tank holds 660 litres. 15% of the water is used. How many litres are left?
11. 11.A shopkeeper buys a pair of shoes for ₹80 and sells it for ₹104. Find the profit percent.
12. 12.Rahul can finish a job in 8 days and Kabir in 4 days. Rahul works alone for 4 days and then stops. Kabir finishes the rest. How many days does Kabir take?
13. 13.Marks of 4 friends in a quiz: 46, 58, 47, 85. What is their average mark?
14. 14.A study lamp is marked at ₹1160. The shop gives a 40% discount. How much do you pay (in ₹)?
15. 15.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
16. 16.A shop sells an average of 32 kg of sugar a day for 6 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
17. 17.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
18. 18.Diya puts ₹12600 in a bank at 7% simple interest per year. How much will she have after 4 years (in ₹)?
19. 19.A study lamp bought for ₹1940 is sold at a profit of 5%. What is the selling price (in ₹)?
20. 20.2 years ago, Zoya’s mother was three times as old as Zoya. The mother is 14 years old now. How old is Zoya now?
21. 21.Find the amount when ₹2400 is invested at 5% per year compound interest for 2 years (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹27500 at 10% per year for 2 years (in ₹)?
23. 23.A bus runs at 72 km/h. How far does it go in 40 minutes (in km)?
24. 24.Marks of 4 friends in a quiz: 39, 18, 15, 40. What is their average mark?
25. 25.Diya puts ₹13100 in a bank at 6% simple interest per year. How much will she have after 3 years (in ₹)?
26. 26.Diya works twice as fast as Meera. Together they finish a job in 4 days. How many days would Meera take alone?
27. 27.A shopkeeper buys a pair of shoes for ₹300 and sells it for ₹255. Find the loss percent.
28. 28.Aditya is 6 years older than Vivaan. In 8 years, the sum of their ages will be 78. How old is Vivaan now?
29. 29.A price comes down by 20% and then comes down by 30% more. By what percent has it come down in all? =
30. 30.Change 35 m/s into km/h.
31. 31.By selling a school bag for ₹260, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
32. 32.What sum of money earns ₹1280 simple interest in 4 years at 2% per year (in ₹)?
33. 33.Find the simple interest on ₹18800 at 9% per year for 2 years (in ₹).
34. 34.Dev can finish a job in 17 days and Tara in 16 days. What fraction of the job do they finish if they work together for 3 days? =
35. 35.Vivaan’s batting average after 11 innings is 25 runs. How many runs must Vivaan score in the next innings to raise the average to 28?
36. 36.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
37. 37.The average weight of 5 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
38. 38.By selling a pair of shoes for ₹1081, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
39. 39.By selling a table fan for ₹1230, a shopkeeper makes a profit of 50%. What did the table fan cost the shopkeeper (in ₹)?
40. 40.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =

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