Statements: Some dreams are nights. Some nights are days. Conclusions: All days

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Question
Statements: Some dreams are nights. Some nights are days.

Conclusions:
1. All days are either nights or dreams.
2. Some days are nights.
Options
A. Only conclusion I follows
B. Only conclusion II follows
C. Either I or II follows
D. Neither I nor II follows
E. Both I and II follow

Correct Answer

Only conclusion II follows

Explanation

Since both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.

More questions

2. Statements: Some tables are TVs. Some TVs are radios.

Conclusions:
1. Some tables are radios.
2. Some radios are tables.
3. All radios are TVs.
4. All TVs are tables.
Options
A. None follows
B. All follow
C. Only I and III follow
D. Only II and IV follow

3. Statements: Some tigers are lions. Some lions are rabbits. Some rabbits are horses.

Conclusions:
1. Some tigers are horses.
2. Some rabbits are tigers.
3. Some horses are lions.
4. All horses are rabbits.
Options
A. All follow
B. None follows
C. Only I and II follow
D. Only II and IV follow
E. Only IV follows

4. Which word does NOT belong with the others?
Options
A. branch
B. dirt
C. leaf
D. root

9. Choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two:
Options
A. 1
B. 2
C. 3
D. 4

10. Look carefully at the sequence of symbols to find the pattern. Select correct pattern:
Options
A. 1
B. 2
C. 3
D. 4

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