Two statements are given followed by three conclusions numbered I, II and III Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
Some mobiles are instruments. All instruments are heavy items.
Conclusions:
I. Some mobiles are heavy items.
II. No mobile is a heavy item.
III. Some heavy items are instruments.

Options

A. All conclusions follow
B. Only conclusion I follows
C. Only conclusions I and III follow
D. Only conclusion III and either conclusion I or II follow

Answer

C

Explanation

Conclusions:-
I. Some mobiles are heavy items. –True – as some mobiles are instruments
II. No mobile is a heavy item. – False – as the above diagram clearly shows that some mobiles are heavy items as well.
III. Some heavy items are instruments. –
True – As all instruments are heavy items.
Hence, Opt. (c) only conclusion I and III follows is correct.