12th Class Economics Solved Paper - Economics 2012 Delhi Set-II

  • question_answer
    Find investment from the following;
    Items Amount (Rs.)
    National Income Rs. 500
    Autonomous Consumption Rs. 100
    Marginal propensity to Consume 0.75

    Answer:

    At equilibrium
    \[Y=C+I\]
    or,        \[Y=\overline{C}+bY+I\]where, b = MFC
    \[500=100+(0.75\times ~500)+I\]
    \[500-100-375=I\]
    \[\therefore \]      Investment = Rs. 25


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