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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 PDF (31-Jan-2021) (Shift 1)
The correct answer is
11

To solve this problem, we will identify the numerical values assigned to different shapes in the pattern and use them to calculate the result in the final row.

Let's analyze the equations given in the pattern:

  1. Rectangle + Rectangle + Rectangle = 12
  2. Pentagon + Pentagon + Pentagon = 15
  3. Oval + Oval + Oval = 6

From the first equation:

Rectangle + Rectangle + Rectangle = 12

Therefore, each Rectangle = \(\frac{12}{3} = 4\)

From the second equation:

Pentagon + Pentagon + Pentagon = 15

Therefore, each Pentagon = \(\frac{15}{3} = 5\)

From the third equation:

Oval + Oval + Oval = 6

Therefore, each Oval = \(\frac{6}{3} = 2\)

Now, let's solve the final equation:

Rectangle + Pentagon + Oval = ?

Substituting the values we found:

4 (Rectangle) + 5 (Pentagon) + 2 (Oval) = 11

Thus, the number that can replace the question mark is 11.

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