First Premise is Universal Negative (E?type).
Second Premise is Universal Affirmative (A?type).
No pencil is eraser. ? All erasers are sharpeners.
E + A ? O1 ? type of Conclusion. "Some sharpeners are not pencils."
Venn diagrams
Therefore, neither Conclusion I nor Conclusion II follows.
Barrow' is man-driven cart whereas others are usual.
Except option (d), all letters in pairs having difference of four.
The relationship is x : (x2 - 9).
63/3 = 21
27/3 = 9
F
Except option (c) rest all are perfect squares.
Except, `Plate', all two in number.
All other terms are used to denote the size.
15/20 x 5/4 x 2/3 x 8/5 = 1
All Except `Raft' are down by animal.
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