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DIRECTIONS: Following questions consist of two statements, one labelled as the 'Assertion? and the other as 'Reason (R)? You are to examine these two statements carefully and select the answer to these items using the code given below. Assertion (A): In a triangle D ABC, if \[\angle B={{90}^{\text{o}}},\] then it is a right angled triangle. Reason(R): If any one of the angles of a triangle is right angle, then it is a right angled triangle.

A)   Both A and R are individually true and R is the correct explanation of A:

B)  Both A and R are individually true but R is not the correct explanation of A.

C)  A is true but R is false

D)  A is false but R is true.