Free ATB Mathematics Questions and Answers — Questions and Answers
Question 1: A club has 36 members. If each member donates 12 items for an auction, how many items will there be in the auction?
- 48
- 108
- 422
- 432 (Correct answer)
Correct answer: 432
To find the total number of items, you need to multiply the number of members by the number of items each member donates. In this case, 36 members multiplied by 12 items per member equals 432 items. This is a straightforward multiplication problem.
Question 2: A conference planner has put together 280 binders for attendees and another 31 binders for presenters. How many total binders did the planner put together for attendees and presenters?
- 211
- 249
- 311 (Correct answer)
- 590
Correct answer: 311
To find the total number of binders, you simply add the number of binders for attendees to the number of binders for presenters. So, 280 binders for attendees plus 31 binders for presenters equals a total of 311 binders. This is a basic addition problem.
Question 3: A store stocked 150 cans of popcorn for a weekend sale. That weekend, 72 of the cans sold. What percent of the cans of popcorn stocked were sold that weekend?
- 2%
- 5%
- 48% (Correct answer)
- 72%
Correct answer: 48%
To calculate the percentage of cans sold, divide the number of cans sold (72) by the total number of cans stocked (150), and then multiply the result by 100. So, (72 / 150) * 100 = 0.48 * 100 = 48%. This shows that 48% of the popcorn cans were sold.
Question 4: If Manuel deposits 25% of $130 into a savings account, what is the amount of his deposit?
- $5.20
- $25.00
- $32.50 (Correct answer)
- $97.50
Correct answer: $32.50
To find 25% of $130, you convert the percentage to a decimal (0.25) and multiply it by the total amount. So, $130 multiplied by 0.25 equals $32.50. This calculation determines the exact amount of Manuel's deposit.
Question 5: A machine is currently set to a feed rate of 5.921 inches per minute (IPM). The machinist changes this setting to 6.088 IPM. By how much did the machinist increase the feed rate?
- 0.167 IPM (Correct answer)
- 1.167 IPM
- 1.833 IPM
- 1.967 IPM
Correct answer: 0.167 IPM
To find out by how much the feed rate increased, you subtract the original feed rate from the new feed rate. The new setting is 6.088 IPM and the original setting is 5.921 IPM. Subtracting these values (6.088 - 5.921) gives an increase of 0.167 IPM.
Question 6: What is the value of 2.84 × 3.9?
- 3.408
- 11.076 (Correct answer)
- 34.08
- 110.76
Correct answer: 11.076
To find the value of 2.84 × 3.9, you perform the multiplication. Multiplying these two decimal numbers yields 11.076. This is a direct calculation of the product.
Question 7: 60% of what number is equal to 30?
- 0.5
- 2
- 18
- 50 (Correct answer)
Correct answer: 50
To solve '60% of what number is equal to 30,' you can set up the equation 0.60 * x = 30. To find x, you divide 30 by 0.60. Performing this division (30 / 0.60) gives you 50, meaning 60% of 50 is 30.
A club has 36 members.
If each member donates 12 items for an auction, how many items will there be in the auction?