In each of the questions below are given three statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All trains are rivers.
Some rivers are houses.
All houses are lakes.

Conclusions
I. Some lakes are trains.
II. Some houses are trains.
III. No train is a lake.
IV. Some houses are rivers.

None follows

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Only IV follows

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Only either I or III follows

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Only either I or III and IV follow

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

All follow

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D Only either I or III and IV follow
Mediate term of the following statement is
Some rivers are houses (I-type)
All houses are lakes (A-type)
$I + A \to I - t y p e$
Some rivers are lakes
Conversion
Some lakes are rivers
In the statement,
Some rivers are houses
Conversion
Some houses are rivers
(Conclusion IV follows)
Conclusion I and II are a complementary pair.

Only either I or III and IV follow.

Suggest Corrections

Similar questions

In each of the questions below are given three statements followed by three Conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :
All stones are rivers.
All rivers are cars.
Some cars are trains.

Conclusions:
I. Some trains are stones.
II. Some cars are stones.
III. Some trains are rivers.

Q. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All stones are rivers.
All rivers are cars.
Some cars are trains.

Conclusions
I. Some trains are stones.
II. Some cars are stones.
III. Some trains are rivers.

Q. In each of the questions are given four statements followed by four numbered I, II, III and IV. You have to take the statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions follows from the given statements disregarding commonly known facts.

Statements
Some houses are forests.
All forests are trees.
Some trees are hills.
All hills are buses.

Conclusions
I. Some buses are trees.
II. Some trees are houses.
III. Some hills are houses.
IV. Some buses are forests.

Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.
Statements:
All rivers are stones.
All stones are cars.
Some cars are trains.
Conclusions:
I. Some trains are rivers.
II. Some cars are rivers.
III. Some trains are stones.

Q. In each of the questions below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some tractors are buses.
All buses are trains.
Some trains are boats.
All boats are ships.

Conclusions
I. Some boats are buses.
II. Some ships are buses.
III. Some trains are tractors.
IV. Some ships are trains.

Join BYJU'S Learning Program