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Directions (1 – 10):
(A) only 1st follows
(B) only 2nd follows
(C) either 1st or 2nd
(D) neither 1st nor 2nd
(E) both 1st and 2nd
- Statements: Some trees are leaves. All leaves are stems. No tree is root. No stem is plant.
Conclusions:
I. No plant is leaf.
II. Some leaves are not roots.(E) both 1st and 2nd
Explanation:
I is true because no stem is plant.
II – All leaves are roots is not a possibility, so II follows. - Statements: Some trees are leaves. All leaves are stems. No tree is root. No stem is plant.
Conclusions:
I. Some roots are not stems.
II. No tree is plant.(D) neither 1st nor 2nd
Explanation:
I – All roots are stems is a possibility, so I does not follow.
II is not definite - Statements: All styles are fonts. Some reviews are fonts. All views are reviews. No clip is font.
Conclusions:
I. All clips being reviews is a possibility
II. Some views are not clips(A) only 1st follows
Explanation:
I is a possibility
II – All views are clips is a possibility, so II does not follow. - Statements: All styles are fonts. Some reviews are fonts. All views are reviews. No clip is font.
Conclusions:
I. Some reviews are not clips.
II. Some views are fonts(A) only 1st follows
Explanation:
I – All reviews are clips is not a possibility, so I follows. (if all reviews are clips, some fonts will be clips which is not possible)
II is not definite - Statements: Some pens are pencils. Some pencils are erasers. Some erasers are sharpeners. Some sharpeners are dusters.
Conclusions:
I. Some pens are erasers
II. Some erasers are dusters(D) neither 1st nor 2nd
Explanation:
Both not definite. - Statements: Some pens are pencils. Some pencils are erasers. Some erasers are sharpeners. Some sharpeners are dusters.
Conclusions:
I. Some sharpeners are not pencils.
II. All dusters are pens.(D) neither 1st nor 2nd
Explanation:
All sharpeners are erasers is a possibility, so I does not follow. II not definite. - Statements: All squares are circles. No circle is cone. Some cones are spheres. Some rectangles are circles.
Conclusions:
I. All rectangles being cones is a possibility
II. All rectangles being sphere is a possibility(B) only 2nd follows
Explanation:
If all rectangles are cones, then some circles will be cones which is not possible.
II is a possibility. - Statements: All squares are circles. No circle is cone. Some cones are spheres. Some rectangles are circles.
Conclusions:
I. Some rectangles are not cones.
II. No square is cone(E) both 1st and 2nd
Explanation:
All rectangles are cones is not a possibility, so I follows.
No square is cone, because no circle is cone - Statements: Some reds are greens. All greens are blues. All blues are oranges. No yellow is blue.
Conclusions:
I. No red is yellow.
II. Some oranges are greens(B) only 2nd follows
Explanation:
I is not definite. Reds can be yellows - Statements: Some reds are greens. All greens are blues. All blues are oranges. No yellow is blue.
Conclusions:
I. Some yellows are greens is a possibility.
II. All yellows being oranges is a possibility(B) only 2nd follows
Explanation:
If some yellows are greens, then some blues will be yellows which is not possible.
II is a possibility.
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