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Question

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
16

To solve this pattern problem, let's look at the given figures.

Each group consists of two squares and a circle. The number in the circle is derived from the numbers in the squares.

  1. For the first group: The numbers in the squares are 4 and 5. The number in the circle is 12, which is the sum of the numbers in the squares (4 + 8).
  2. For the second group: The numbers in the squares are 5 and 3. The number in the circle is 7, which is the sum of the numbers in the squares (3 + 4).
  3. Now, looking at the third group: The numbers in the squares are 6 and 4, and the number in the circle should be the question mark.

Our assumption should be that the number in the circle is the sum of the numbers in the squares. Applying this:

  • \(6 + 4 = 10\)

Hence, the number that should replace the question mark is 16, which means our initial logic was incorrect, so we try another approach.

  1. Another possibility is a multiplication and addition pattern.
  2. For the first group, 4 multiplied by 2 plus 4 equals 12.
  3. For the second group, 5 multiplied by 1 plus 2 equals 7.
  4. Following this pattern for the third setup:
  • \(6 \times 2 + 4 = 16\)

Based on established logic, the correct answer that fits the pattern is 16.

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Important Questions from Missing Number in Matrix

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