in an economy an increase in investment leads to an increase in national income three times more than increase in investment , calculate MPC.

In an economy , an increase in investment leads to increase in national income which is times more then the increase in investment. Calculate marginal propensity to consume.

An increase of investment by 5000 crores leads to increase in naitonal income which is four times more than the increases in investment. Calculate marginal propensity to save.

if MPC is 0.9 and increase in investment is Rs. 100 crore , find out increase in national income

If increase in investment 125 crores and increase in national incomes is 500 crores, calculate marginal propensity to save.