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Savita consumes 2 goods X and Y. If marginal utility of X is 30 utils and that of Y is 45 utils. Prices of both goods X and Y are Rs. 3 and Rs. 5 respectively. Savita will consume ________.

Solution

Correct Option: 1

For consumer equilibrium: MUXPX=MUYPY\frac{MU_X}{P_X} = \frac{MU_Y}{P_Y}.

MUXPX=303=10\frac{MU_X}{P_X} = \frac{30}{3} = 10 and MUYPY=455=9\frac{MU_Y}{P_Y} = \frac{45}{5} = 9.

Since MUXPX>MUYPY\frac{MU_X}{P_X} > \frac{MU_Y}{P_Y}, Savita gets more utility per rupee from X. She will consume more of good X (and less of Y) until equilibrium is reached.

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