7th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: Altitude of a triangle whose area is \[45\,c{{m}^{2}}\]and base 15 cm is 5 cm. Reason: Area of a triangle\[=\frac{1}{2}\times \] base\[\times \]altitude

    A) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

    B) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

    C) If Assertion is correct but Reason is incorrect.

    D) If Assertion is incorrect but Reason is correct.

    Correct Answer: D

    Solution :

        Assertion is false and Reason is correct Assertion: Altitude \[=\frac{2\,(Area)}{Base}=\frac{2\times 45}{15}=6\,cm\]


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