The ratio of the speed of car to that of a train is

(x + 1)² + (y – 3) ² + (z + 5) ² = 0, then find the value of 2x + 3y - z.

If p = 36 - q - r and pq + r(q + p) = 310, then find the value of (p² + q² + r²).

If x + 1/x = 3, find the value of x³ + 1/x³.

If a = 701, b= 703 and c= 706, then find the value of a³ + b³ +c³ –3abc?

Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1^st Part at 4% per annum for 3 years, Simple Interest on 2^nd

Given that x = 80, y = -35 and z = -45, Determine the value of [(x³ + y³ + z³)/10³]

If x = 35, then the value of x⁵ - 36x⁴ + 36x³ - 36x² + 36x - 1 is