It is planned to increase national income by 1000 crores. How much increase in investment is required the relevant consumption fucntion:

If consumption at zero level o income is 40 crores an investment multiplier is 4 then determine the relevant consumption function.

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.

In an economy marginal propensity to save is 0.10. How much increases in investment is required so that national income rises by 400 crores?

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.