Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow from the statements.

Statements:

I. Some balloons are nitrogen.

II. All balloons are hydrogen.

III. All hydrogens are helium.

Conclusions:

I. All balloons are helium

II. All nitrogens are heliums.

III. Some heliums are nitrogen.​​

I. Some balloons are nitrogen.

II. All balloons are hydrogen.

III. All hydrogens are helium.

Conclusions:

I. All balloons are helium. (Follows, beacuse ballons is subset of helium and hydrogen )

II. All nitrogens are heliums. (Not follows, Some part of Nitrogen is helium not all part)

III. Some heliums are nitrogen. (Follows, From venn diagrm some heliums are nitrogen)

So, Only conclusions I and III follow.