When was Kumaon Iron Works Company established in Uttarakhand Region?

Fing the value of:

[(1024)^(n/5) × (4)⁽²ⁿ⁺¹⁾ ] / [(16)ⁿ × (4)^(n-1) ]

Find the value of:

(1 - 1/4) × (1 + 1/3) × (1 + 2/3) × (1 - 2/5) × (1 + 6/7) × (1 - 12/13)

If a + b + c = 11, ab + bc + ca = 3 and abc = -135, then what is the value of a³ + b³ + c³ ?

(288 ÷ 8)² × (144 ÷ 24)³ = 24 × ? × (51840 ÷ 20)

If     = 4 then

If x³ + y³ = 9 and x + y=3 then the value of x⁴ + y⁴ is:

if x² – 2x + 1 = 0, then find the value of (x⁷ + x⁵ + x⁴ + x²)/x ?

If x   = 107, then find the value of  x(x² - 12x + 48)  ?

If for non-zero x, x² - 4x - 1 = 0, what is the value of x² + 1/x²?

Find ‘x’ if (x³+3x)/(3x²+1) = 189/61