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Consider the following statements : A : In masonry, bricks are joined together by cement mortar. B : Cement mortar adheres more effectively to brick surface than any other material.

both A and R are true and R is the correct explanation of A
both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true

Correct Answer: A is false but R is true

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