Question : An indifference curve measures the same level of:

Option 1: output from two factors

Option 2: satisfaction from two commodities

Option 3: satisfaction from income and capital

Option 4: satisfaction from expenditure and saving

Question : The third proportional of the following numbers $(x-y)^2, (x^2-y^2)^2$ is:

Option 1: $(x+y)^3(x-y)^2$

Option 2: $(x+y)^4(x-y)^2$

Option 3: $(x+y)^2(x-y)^2$

Option 4: $(x+y)^2(x-y)^3$

Question : If $2^x+3^y=17$ and $2^{x+2}-3^{y+1}=5$, then:

Option 1: $x= 1, y = 3$

Option 2: $x = 3, y = 3$

Option 3: $x = 3, y = 2$

Option 4: $x = 1, y = 2$

Question : If $x^2+y^2+2 y+4 x+5=0$, then $\frac{x+y}{x-y}=$______.

Option 1: $-3$

Option 2: $\frac{1}{3}$

Option 3: $-1$

Option 4: $3$

Question : The factors of $x^2+4 y^2+4 y-4 x y-2 x-8$ are:

Option 1: $(x-2 y-4)(x-2 y+2)$

Option 2: $\left(x^2-2 y-4\right)\left(x^2-2 y+2\right)$

Option 3: $(x+2 y-4)(x+2 y+2)$

Option 4: $\left(x^2-2 y-4\right)\left(x^2+2 y+2\right)$