Question

In each of the questions below are four statements followed by four conclusions numbered I, II, III and IV.
You have to take the four given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four given statements disregarding commonly known facts. Then, decide which of the answers (a), (b), (c), (d) and (e) is correct and indicate it on the answer sheet.

Statements:-
I. Some tyres are rains.
II. Some rains are flowers.
III. All flowers are jungles.
IV. All jungles are tubes.

Conclusions:-
I. Some jungles are tyres.
II. Some tubes are rains.
III. Some jungles are rains.
IV. Some tubes are flowers.

• A. Only I, II and III follow
• B. Only II, III and IV follow
• C. Only I, III and IV follow
• D. All follow
• E. None of the above

Answer 1

The correct option is B Only II, III and IV follow

Mediate term of the following is
Some rains are flowers (I-type)
$\downarrow$
All flowers are jungles (A-type)
$I+A\to Itype$
Some rains are jungles......(i)
Conversion Some jungles are rains.
Another mediate term
All flowers are jungles (A-type)
$\downarrow$
All jungles are tubes (A-type)
$A+A\to A-type$
All flowers are tubes...........(ii)
Conversion some tubes are flowers
conclusion IV follows
Some rains are flowers (I-type)
$\downarrow$
All flowers are tubes (A-type)
$I+A\to Itype$
Some rains are tubes.
Conversion Some tubes are rains. Hence
conclusions II follows.
Some rains are flowers (I-type)
$\downarrow$
All flowers are tubes (A-type)
$I+A\to Itype$
Some rains are tubes

Conversions Some tubes are rains. Hence, conclusion II follows.
or

So, only II, III and IV follow.