Which of the following must be true?
I. If chemical C is used, chemical W must be added.
II. If chemical Y is used, chemical B must be added.
III. If chemical C is not used, chemical W cannot be added,
A. I and II only
B. I and III only
C. II and III only
D. II only
E. I, II, and III

Solve the question on the basis of the following conditions:
1. All G's are H's.
2. All G's are J's or K's.
3. All J's and K's are G's.
4. All L's are K's.
5. All N's are M's.
6. No M's are G's.

Which of the following can be logically deduced from the conditions stated?
A) No M’s are H’s.
B) No M’s that are not N’s are H’s.
C) No H’s are M’s.
D) Some M’s are H’s.
E) No N’s are G’s.

Solve the question on the basis of the following conditions:
1. All G's are H's.
2. All G's are J's or K's.
3. All J's and K's are G's.
4. All L's are K's.
5. All N's are M's.
6. No M's are G's.

Which of the following conclusions does not follow definitely the above conditions? 
A) All H’s are G’s.
B) All H’s that are not G’s are M’s.
C) Some H’s are both M’s and G’s.
D) No M’s are H’s.
E) All M’s are H’s.

Solve the question on the basis of the following conditions:
1. All G's are H's.
2. All G's are J's or K's.
3. All J's and K's are G's.
4. All L's are K's.
5. All N's are M's.
6. No M's are G's.

The statement 'No L’s are J’s', is:
I. Logically deducible from the conditions stated.
II. Consistent with but not deducible from the conditions stated.
III. Deducible from the stated conditions together with the additional statement 'No J’s are K’s'.
A. I only
B. II only
C. III only
D. II and III only
E. Neither I, II nor III

Solve the question on the basis of the following conditions:
1. All G's are H's.
2. All G's are J's or K's.
3. All J's and K's are G's.
4. All L's are K's.
5. All N's are M's.
6. No M's are G's.

If no P’s are K’s, which of the following must be true?
A). All P’s are J’s
B). No P is a G
C). No P is an H
D). If any P is an H it is not a G
E). If any P is a G it is not a J

A, B, C or W may cause D.
B, C or W may cause E.
W or X may cause F.
D or E may cause G or H only if they are caused by B or C; they may cause I only if they are caused by C.
Only E and F together cause M or N.
F may cause H only if it is caused by W or X.

Which can result from the largest number of immediately preceding event?

A, B, C or W may cause D.
B, C or W may cause E.
W or X may cause F.
D or E may cause G or H only if they are caused by B or C; they may cause I only if they are caused by C.
Only E and F together cause M or N.
F may cause H only if it is caused by W or X.

Which can result in the smallest number of subsequent events, counting both those that follow immediately and those that follow after another event?

A, B, C or W may cause D.
B, C or W may cause E.
W or X may cause F.
D or E may cause G or H only if they are caused by B or C; they may cause I only if they are caused by C.
Only E and F together cause M or N.
F may cause H only if it is caused by W or X.

How many different events or combinations of events may cause H?

A, B, C or W may cause D.
B, C or W may cause E.
W or X may cause F.
D or E may cause G or H only if they are caused by B or C; they may cause I only if they are caused by C.
Only E and F together cause M or N.
F may cause H only if it is caused by W or X.

Which may be a result of the smallest number of different combinations of events?