8th Class Mathematics Comparing Quantities Question Bank Commercial Mathematics

  • question_answer
    DIRECTIONS: Passage-3 Read the passage(s) given below and answer the questions that follow. A man sold two pipes at Rs. 12 each. On one he gained 20% and on the other he lost 20%. What is the cost price of first pipe?            

    A) Rs. 12             

    B)          Rs. 10

    C) Rs. 11            

    D)                      Rs. 14

    Correct Answer: B

    Solution :

    S.P of first pipe = Rs. 12 Gain % = 20% \[C.P=\left( \frac{S.P\times 100}{100+G%} \right)\] \[=\frac{12\times 100}{100+20}\] C.P = Rs. 10


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