(A): A load bearing bar is usually constructed in 'I' shape.(R): This shape reduces the weight of the beam with out sacrificing the strength.

(A): A load bearing bar is usually constructed in 'I' shape.(R): This

1.	(A): A load bearing bar is usually constructed in 'I' shape.(R): This shape reduces the weight of the beam with out sacrificing the strength.
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