7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • 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 (A): Cost Price of an article is Rs. 100 its selling price is Rs. 150, Profit is 33.3 % Reason (R): Profit or loss is calculated on cost price.

    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 :

        Cost Price\[=\text{Rs}\text{.}\,\,100\] Selling Price\[=\text{Rs}\text{.}\,\,150\] Profit\[=S.P.-C.P.=\text{Rs}\text{.}\,\,150-\text{Rs}\text{.}\,\,100=\text{Rs}\text{.}\,\,50\] Profit % \[=\frac{50}{100}\times 100=50%\] Profit or loss is calculated on cost price


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