Reasoning Aptitude
MISSING NUMBER FINDING MCQs
Total Questions : 271
| Page 7 of 28 pages
Answer: Option D. -> 7
Logic (Row-wise):
Sum of each Row element = 18.
So,
18 = 0 + 6 + 5 + x.
x = 7.
Missing number = 7.
Logic (Row-wise):
Sum of each Row element = 18.
So,
18 = 0 + 6 + 5 + x.
x = 7.
Missing number = 7.
Answer: Option A. -> 71
Logic:
Third number = Sum of previous two numbers - 3.
So,
x = 29 + 45 - 3 = 71.
Missing number = 71
Logic:
Third number = Sum of previous two numbers - 3.
So,
x = 29 + 45 - 3 = 71.
Missing number = 71
Answer: Option D. -> 9
7 - 3 = 4.
9 - 3 = 6.
So,
12 - 3 = 9.
7 - 3 = 4.
9 - 3 = 6.
So,
12 - 3 = 9.
Answer: Option C. -> 9
Clock-wise:
First Square:
2 + 3 + 6 + 9 = 20.
Second Square:
6 + 7 + 3 + 3 = 19
Fourth Square:
6 + 9 + 1 + 1 = 17
Third Square:
1 + 3 + x + 5 = 18
x = 18 - 9 = 9.
Missing Number = 9.
Clock-wise:
First Square:
2 + 3 + 6 + 9 = 20.
Second Square:
6 + 7 + 3 + 3 = 19
Fourth Square:
6 + 9 + 1 + 1 = 17
Third Square:
1 + 3 + x + 5 = 18
x = 18 - 9 = 9.
Missing Number = 9.
Answer: Option B. -> 2
The sum of the 4 digits at the corners of the diagram is 17, as is the sum of the 4 digits in the middle of each side of the diagram.
So,
17 = x + 8 + 4 + 3.
x = 2.
Missing Number = 2.
The sum of the 4 digits at the corners of the diagram is 17, as is the sum of the 4 digits in the middle of each side of the diagram.
So,
17 = x + 8 + 4 + 3.
x = 2.
Missing Number = 2.
Answer: Option D. -> 156
Start with 1 and move clockwise. Multiply the previous number by 2 and add 4 to give the next number around.
Start with 1 and move clockwise. Multiply the previous number by 2 and add 4 to give the next number around.
Answer: Option A. -> 5
The values in the segments of the upper middle circle equal the sum of the values in corresponding segments of the upper left and right hand circles.
The values in the segments of the lower middle circle equal the difference between values in corresponding segments of the lower left and right hand circles. So,
12 - 7 = x
x = 5.
The values in the segments of the upper middle circle equal the sum of the values in corresponding segments of the upper left and right hand circles.
The values in the segments of the lower middle circle equal the difference between values in corresponding segments of the lower left and right hand circles. So,
12 - 7 = x
x = 5.
Answer: Option C. -> 1
Logic (Row-wise):
Sum of the Even Numbers - Sum of the Odd Numbers = 10.
18 - (7 + x) = 10
- 7 - x = - 8
x = 1.
Logic (Row-wise):
Sum of the Even Numbers - Sum of the Odd Numbers = 10.
18 - (7 + x) = 10
- 7 - x = - 8
x = 1.
Answer: Option D. -> 37
As you move left to right the diagram, double each number and subtract 5 to give the next number. So,
Missing number = 21 * 2 - 5 = 37.
As you move left to right the diagram, double each number and subtract 5 to give the next number. So,
Missing number = 21 * 2 - 5 = 37.
Answer: Option B. -> 5
In each row, add together the left and right hand numbers, then add 2 to give the central value.
In each row, add together the left and right hand numbers, then add 2 to give the central value.
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