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Missing Number Finding - General Inteligence & Reasoning MCQ Questions and Answers

Learn Missing Number Finding mcq questions and answers with easy and logical explanations - Missing Number Finding is part of competitive reasoning mcq questions. Page-9 section-1

Each section contains 100 MCQs on Missing Number Finding .
81
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option B
Solution:
Moving left to right, the numbers represent multiples of 12, subtracting 1, for the first step, adding 2 for the second, subtracting 3 for the third, adding 4 for the next etc. etc. So,

12 * 7 + 6 = 90.
82
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option A
Solution:
Reading each horizontal line as a 4 digit number, add together the top two rows to give the result in the third row, and subtract the second row number from the first to give the result in the fourth row.
83
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option D
Solution:
In each row, the sum of the digits is 10.

So,

3 + 4 + x = 10.
x = 10 - 7 = 3..
84
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option B
Solution:
Each number represents the numerical value of the vowels in the alphabet.
85
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option C
Solution:
Moving Left to Right:

8 + 4 = 12
12 + 3 = 15
15 + 2 = 17

Now repeat,
17 + 4 = 21
21 + 3 = 24
24 + 2 = 26.
Again,

26 + 4 = 30
Missing Number = 30.

30 + 3 = 33
33 + 2 = 25
86
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option D
Solution:
Starting in the top left and moving in a Z shape around the diagram, each number equals the sum of the previous 2 numbers. So,

Missing Number = 16 + 26 = 42.
87
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option B
Solution:
The numbers in the segments of the top left circle equal the sum of the numbers in corresponding segments of the lower two circles, and the numbers in the top right circle equal the difference between numbers in corresponding segments of the lower two circles.
88
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option A
Solution:
Logic ( Top to Bottom):
Sum in the row increase by 5.

5
7 + 3 = 10
5 + 8 + 2 = 15.
So,

9 + 6 + 4 + 1 = 20
x = 1.
89
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option B
Solution:
Starting at the top left and working down, then to the right and up, and finally to the right and down in a zig-zag shape, numbers follow the repeated sequence, subtracting 1 then adding 3 etc.
90
Find the missing number?
Missing Number Finding mcq question image
Discuss
Answer & Solution
Answer: Option A
Solution:
Working in rows from top to bottom, the sum of the digits in each row increases by 2 each time, from 20 to 30. So,

Sum of the last row = 30
9 + 9 + 2 + 1 + 5 + x = 30
x = 30 - 26 = 4.
x = 4.