Retail inflation for rural labourers (CPI-RL) eased to

Find the Value of  

If 0.125x³ +0.216y³ = 210 and 0.25x² + 0.36y² = 10.30 then find the value of 0.5x + 0.6y.

If 4x + 1/3x = 12 then find the value of 9x² +1/16x².

If (x²+y²+z²)/(xy+yz+zx) = 1

Find (x+y)/z + (y+z)/x + (z+x)/y

If 2x+1, x+2, 2 and 5 are in proportion, then what is the mean proportional between 3.5(1-x) and 8(1+x)?

Length of each side of a rhombus is 13 cm and one of the diagonal is 24 cm. What is the area (in cm²) of the rhombus?

If polynomial P(x) = x³ - 3x² + 5x-3 is divided by polynomial G (x) = x² - 2, the quotient and remainder are:

If x² - 7x + 1 = 0, then find the value of:

3 + ( x ⁶ +  x ⁴ +  x ² + 1)/ 7x ³