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If the mean of 12 numbers is 25, what is the sum of these numbers?

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Question: If the mean of 12 numbers is 25, what is the sum of these numbers?

Options:

  1. 250
  2. 300
  3. 275
  4. 225

Correct Answer: 250

Solution: 

The sum of the numbers is calculated as mean * number of items = 25 * 12 = 300.

If the mean of 12 numbers is 25, what is the sum of these numbers?

Practice Questions

Q1
If the mean of 12 numbers is 25, what is the sum of these numbers?
  1. 250
  2. 300
  3. 275
  4. 225

Questions & Step-by-Step Solutions

If the mean of 12 numbers is 25, what is the sum of these numbers?
  • Step 1: Understand that the mean (average) is calculated by dividing the sum of all numbers by the number of items.
  • Step 2: In this case, we know the mean is 25 and there are 12 numbers.
  • Step 3: To find the sum of the numbers, we can use the formula: Sum = Mean * Number of Items.
  • Step 4: Substitute the values into the formula: Sum = 25 * 12.
  • Step 5: Calculate the multiplication: 25 * 12 = 300.
  • Step 6: Therefore, the sum of the 12 numbers is 300.
  • Mean Calculation – Understanding that the mean is the total sum of values divided by the number of values, and can be reversed to find the sum.
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