(A) : Steel is preferred than aluminium in heavy-duty machines(R) : Steel is more elastic than aluminium.

(A) : Steel is preferred than aluminium in heavy-duty machines(R) : St

1.	(A) : Steel is preferred than aluminium in heavy-duty machines(R) : Steel is more elastic than aluminium.
Answer» Both (A) and (R) are TRUE and (R) is the CORRECT EXPLANATION of (A) Both (A) and (R) are true and (R) is not the correct explanation of (A) (A) is true but (R) is false Both (A) and (R) are false Answer :A