Which number is missing in the series: 5, 10, 15, ?, 25

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Question: Which number is missing in the series: 5, 10, 15, ?, 25

Options:

Correct Answer: 20

Solution:

The pattern is adding 5 each time. 15 + 5 = 20.

Which number is missing in the series: 5, 10, 15, ?, 25

Which number is missing in the series: 5, 10, 15, ?, 25

Step 1: Look at the series of numbers: 5, 10, 15, ?, 25.
Step 2: Identify the pattern in the series. Notice that each number is increasing.
Step 3: Find the difference between the numbers. 10 - 5 = 5 and 15 - 10 = 5.
Step 4: Since the difference is 5, we can add 5 to the last known number (15).
Step 5: Calculate 15 + 5, which equals 20.
Step 6: Place the number 20 in the series: 5, 10, 15, 20, 25.

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