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Question

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

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper PDF (31-Jan-2021) (Shift 1)
The correct answer is
17

The given pattern consists of three figures, each containing a set of numbers arranged in a specific manner. Let's analyze the pattern to determine the number that should replace the question mark (?) in the third figure.

In each figure:

  • The top numbers in the squares are related to the numbers below them in the squares and circles.

Let's look at each pair of numbers:

  1. In the first figure, the numbers are:
    • Squares: 18, 7
    • Circles: 8, 17
  2. In the second figure, the numbers are:
    • Squares: 22, 7
    • Circles: 15, 14

Applying this pattern to the third figure, where the squares have 18 and 13:

  • We need: \(18 - x = 14\) which simplifies to \(x = 4\)
  • And for the second circle: \(13 + 4 = 17\)

Therefore, the number that can replace the question mark in the third figure is 17.

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