On a shelf are placed six volumes side-by-side labelled A, B, C, D, E and F.
B, C, E, F have green covers while others have yellow covers.
A, D, B are new volumes while the rest are old volumes.
A, C, B are law reports while the rest are medical extracts.
Which two volumes are old medical extracts and have green covers ?
Option:
A. B,C
B. C, D
C. C, E
D. E, F
Answer: D . E, F
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Justification:
| Green Cover | Yellow Cover | New Volume | Old Volume | Law Reports | Medical Extracts | |
| A | X | X | X | |||
| B | X | X | X | |||
| C | X | X | X | |||
| D | X | X | X | |||
| E | X | X | X | |||
| F | X | X | X |
Clearly, E and F are old volumes which have green covers and are medical extracts.
