Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 918 · 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.Marks of 4 friends in a quiz: 84, 87, 69, 84. What is their average mark?
2. 2.A car runs for 2 hours at 23 km/h and then for 1 hour at 74 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.A town has 2180 people. Its population grows by 30%. How many people live there now?
4. 4.A shop sells 840 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
5. 5.A bicycle marked at ₹4680 is sold for ₹4212. What is the discount percent?
6. 6.Diya puts ₹7900 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
7. 7.In 29 years, Rohan will be twice as old as Rohan was 2 years ago. How old is Rohan now?
8. 8.Kabir cycles to his school at 84 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.A school bag is marked at ₹720. The shop gives a 50% discount. How much do you pay (in ₹)?
10. 10.Change 15 m/s into km/h.
11. 11.In 10 years, Rohan will be three times as old as Rohan was 2 years ago. How old is Rohan now?
12. 12.3 years ago, Meera’s mother was three times as old as Meera. The mother is 27 years old now. How old is Meera now?
13. 13.A price comes down by 30% and then comes down by 20% more. By what percent has it come down in all? =
14. 14.Manav works three times as fast as Kavya. Together they finish a job in 7 days. How many days would Kavya take alone?
15. 15.A school bag bought for ₹100 is sold at a profit of 5%. What is the selling price (in ₹)?
16. 16.Change 90 km/h into metres per second.
17. 17.Arjun can finish a job in 6 days and Ananya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
18. 18.In 26 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
19. 19.Marks of 4 friends in a quiz: 24, 37, 11, 24. What is their average mark?
20. 20.A bus runs at 21 km/h. How far does it go in 40 minutes (in km)?
21. 21.By selling a pair of shoes for ₹1767, a shopkeeper makes a loss of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
22. 22.The price of a school bag changes from ₹3140 to ₹2198. By what percent did it come down?
23. 23.5 years ago, Dev’s mother was three times as old as Dev. The mother is 23 years old now. How old is Dev now?
24. 24.Change 10 m/s into km/h.
25. 25.Isha’s father is five times as old as Isha. The sum of their ages is 42 years. How old is the father?
26. 26.A shopkeeper buys a cricket bat for ₹500 and sells it for ₹250. Find the loss percent.
27. 27.Find the simple interest on ₹2800 at 6% per year for 4 years (in ₹).
28. 28.What is the difference between the compound interest and the simple interest on ₹17500 at 12% per year for 2 years (in ₹)?
29. 29.A study lamp is marked at ₹2840. The shop gives a 10% discount. How much do you pay (in ₹)?
30. 30.A price goes up by 10% and then goes up by 20% more. By what percent has it gone up in all? =
31. 31.Aditya is 6 years older than Manav. In 7 years, the sum of their ages will be 62. How old is Manav now?
32. 32.Kavya works three times as fast as Isha. Together they finish a job in 12 days. How many days would Isha take alone?
33. 33.Manav and Meera together finish a job in 3 days. Manav alone takes 4 days. How many days would Meera take alone?
34. 34.A pressure cooker is marked at ₹470. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
35. 35.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
36. 36.A cricket bat bought for ₹920 is sold at a profit of 5%. What is the selling price (in ₹)?
37. 37.A shop sells an average of 35 kg of sugar a day for 4 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
38. 38.By selling a pair of shoes for ₹2436, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
39. 39.What sum of money earns ₹1170 simple interest in 1 year at 13% per year (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹39600 at 25% per year for 2 years (in ₹)?

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