A woman's son's mother's father's only daughter is the woman herself. What is the relation?
ALogical consistency
BLogical contradiction
CParadox
DValid
Correct Answer:
A. Logical consistency
EXPLANATION
Woman → Son's mother = Woman. Woman's father = Boy's grandfather. Grandfather's only daughter = Woman. This is logically consistent - she is indeed her son's mother and her father's only daughter.
Eight boxes labeled 1-8 are arranged in a line. Box 3 is between boxes 2 and 4. Box 5 is immediately right of box 4. Box 8 is immediately left of box 1. What is the arrangement?
A8,1,2,3,4,5,6,7
B1,2,3,4,5,6,7,8
C2,3,4,5,1,6,7,8
DCannot be determined
Correct Answer:
D. Cannot be determined
EXPLANATION
The constraints 'Box 3 between 2&4' and 'Box 5 right of Box 4' and 'Box 8 left of Box 1' create conflicting arrangements in a linear sequence. Box 8 cannot be immediately left of Box 1 in a line where boxes are numbered sequentially.
Five boxes are placed on a table: Red, Blue, Green, Yellow, Black. Red is to the left of Blue. Green is to the right of Yellow. Black is between Red and Green. What is the order?
ARed, Blue, Yellow, Black, Green
BRed, Black, Yellow, Green, Blue
CRed, Yellow, Black, Green, Blue
DYellow, Red, Black, Green, Blue
Correct Answer:
C. Red, Yellow, Black, Green, Blue
EXPLANATION
Red < Blue. Yellow < Green. Red < Black < Green. Testing: Yellow(1), Red(2), Black(3), Green(4), Blue(5). Check: Red<Blue✓, Yellow<Green✓, Red<Black<Green✓. This satisfies all conditions.