If \(2^{y-4} \times 6^{y-4} = 12^{-4}\), then the value of \(2y - 8\) is:

\(-75 \times 109\) is not the same as:

m and n are two 2-digit numbers, out of which one is even and the other is odd. If \(mn = 180\), then what is the least common multiple of m and n?

The difference between the square root and the cube root of the number \(729 \times 64\) is:

Sum of the solutions of the equations \(3x - 2(2x-5) = 2(x+3) - 8\) and \(3x = 5x - \frac{8}{5}\) is:

The sum of the coefficients of \(x^4\) and \(x^2\) in the product of \((x^2 - x + 4)\) and \((x^3 - 2x^2 + 3x + 1)\) is:

\(20xy - 4xz + 10y - 2z\) is equal to:

The compound interest on a sum of Rs 20000 for \(1\frac{1}{2}\) years at 10% per annum, compounded semi-annually, is:

Reciprocal of \(\{0.39 + 2.15 + 0.75 + (-1.001)\}\) is equal to: