 # Which Number Replaces The Question Mark?

Which Number Replaces The Question Mark?

Which number will replace the question mark? A basic logic puzzle is a brainstorming game where you solve problems to make your brain work. This type of puzzle brings new challenges that develop problem-solving skills and logical thinking. Regular physical activity is essential for mental health, as is regular brain exercise. There are many different types of puzzle games and solutions available on our website. We create interesting and fun math puzzles.

So here we will defined some tricks then you can easily understand

The FIGURAL NUMERICAL SERIES are exercises in logic in which it is necessary to search for the unknown number that completes, according to a precise logical-mathematical rule, an arithmetic succession of numbers arranged within geometric figures variously connected to each other.

This guide shows 10 quizzes carried out on some of the most frequent types of figural numerical series present in the various logic tests.

# NO.1

Track :

Which number among those proposed completes the following series?

a) 27

b) 26

c) 24

d) 25

## Resolution :

In the proposed figural numerical series , the numbers are linked to groups of 3 by two mathematical operations (“-5” and “• 2”).

In fact, in each trio of numbers, by subtracting “5” from the number at the top (eg “26”), we get the number at the bottom right (eg “21”); furthermore, by doubling the number in the lower right corner (eg “21”), the number in the lower left is obtained (eg “42”).Therefore, for the first two triplets of numbers, we get:

26-5 = 21;    21•2 = 42

32-5 = 27;    27•2 = 54

Applying the same logical-mathematical criterion to the last trio of numbers, we obtain:

25-5 = 20;    20•2 = 40

The correct answer is, therefore, d).

# No. 2:

What number should be entered in puzzle B?

a) 21

b) 5

c) 27

d) 10

Resolution :

In the proposed figural numerical series, the numbers in each box are linked by two successive multiplications which allow, starting from the number at the top left and proceeding clockwise, to arrive at the central number .For example, in panel A , we have:

2•9 = 18;    18•3 = 54

Applying the same logical-mathematical reasoning to panel B , we obtain:

2•7 = 14;    14•5 = 70

The correct answer is therefore b).

Which number will replace the question mark? A basic logic puzzle is a brain-teasing game in which you overcome such problems to work out your brain. This type of puzzle brings new challenges that promote problem-solving abilities and logical thinking. Regular body exercise is important for mental health, as is regular brain exercise. There are many different types of puzzle games and solutions available on our website. We make exciting and funny math puzzles.

## Which Number Replaces The Question Mark

Question : What number should replace the question mark in 1, 3, 4, 7, 11, 18, 29?

1 3 4 (1+3)

3 4 7(3+4=7)

4 7 11 (4+7)

7 11 18 (7+11)

11 18 29 (11+18)

18 29 47 (18+29)

47 is the next number in the sequence

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