In each of the questions below are given four statements followed by two conclusions numbered I and II. 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 pins are magnets.
Some magnets are scales.
Some scales are trucks.
All trucks are buses.

Conclusions
I. Some trucks are pins.
II. No truck is a pin.

Only conclusion I follows

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

Only conclusion II follows

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

Either conclusion I or II follows

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

Neither conclusion I nor II follows

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

Both conclusions I and II follow

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

Open in App

Solution

The correct option is C Either conclusion I or II follows
The first, second and third premises are particular affirmative (I-type).The fourth premise is universal affirmative (A-type).
Some scales are trucks.
All trucks are buses.
$I + A \Rightarrow I$ -type conclusion.
Conclusion, some scales are buses.
Conclusions I and II form a complementary pair. Therefore, either I or II follows.

Suggest Corrections

Similar questions

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 cars are buses.
Some buses are trains.
All airplanes are trains.
All trucks are buses.

Conclusions
I. Some airplanes are trucks.
II. Some cars are trains.
III. Some trucks are airplanes.
IV. No truck is a train.

Q. In each of the questions below are given four 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
Some beads are chairs.
All chairs are trucks.
Some trucks are bricks.
All bricks are cars.

Conclusions
I. Some cars are chairs.
II. Some cars are trucks.
III.Some trucks are beads.

Q. ln each of the questions below four statements are given 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 the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some pins are needles.
Some threads are needles.
All needles are nails.
All nails are hammers.

Conclusions
I. Some pins are hammers.
II. Some threads are nails.
III. Some pins are threads.
IV. No pin is a thread.

Q. 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:
Some buses are trucks.
Some trucks are boats.
No boat is jeep.
Conclusions:
I. Some jeeps are buses.
II. Some boats are buses.
III. Some jeeps are trucks.

Q. In each of the questions below are given four 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:-
I. Some pens are knives.
II. All knives are pins.
III. Some pins are needles.
IV. All needles are chairs.

Conclusions
I. Some chains are pins.
II. Some needles are knives.
III. Some pins are pens.

Join BYJU'S Learning Program