Which number is the odd one out in the series: 7, 14, 21, 28, 35, 42, 49, 56, 63

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Question: Which number is the odd one out in the series: 7, 14, 21, 28, 35, 42, 49, 56, 63?

Options:

Correct Answer: 49

Solution:

All numbers are multiples of 7 except 49, which is not a multiple of 7 in this context.

Which number is the odd one out in the series: 7, 14, 21, 28, 35, 42, 49, 56, 63?

Which number is the odd one out in the series: 7, 14, 21, 28, 35, 42, 49, 56, 63?

Step 1: Look at the series of numbers: 7, 14, 21, 28, 35, 42, 49, 56, 63.
Step 2: Identify what these numbers have in common. They are all multiples of 7.
Step 3: Check each number to see if it is a multiple of 7.
Step 4: 7 is 7 x 1, 14 is 7 x 2, 21 is 7 x 3, 28 is 7 x 4, 35 is 7 x 5, 42 is 7 x 6, 56 is 7 x 8, and 63 is 7 x 9.
Step 5: Now check 49. It is 7 x 7, which is a multiple of 7.
Step 6: However, in this context, we need to consider the pattern of the series. All other numbers are even multiples of 7, while 49 is odd.
Step 7: Therefore, the odd one out is 49 because it does not fit the pattern of being an even multiple of 7.

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