9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-3

  • question_answer
    The cost of manufacturing a car includes the cost of materials, labour and overheads. In 2014, the cost of these items was in the ratio of 5 : 4 : 3. In 2015, the cost of the material rose by 16%, the cost of the labour increased by 10% but the overheads were reduced by 8%. Find the increased percent in the price of the car.

    A)  20%                            

    B)  16%

    C)  10%                            

    D)  8%

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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