The speed of a boat in still water is 6 km/hr more than

If α and β are the roots of equation x² – x + 1 = 0, then which equation will have roots α³ and β³?

If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?

If x⁴ + 2x³ + ax² + bx + 9 is a perfect square, where a and b are positive real numbers, then the value of a and b are

Quantity I – In how many ways letters of MOBILE can be arranged when vowels are always together.

If x² + y² + 2x + 1 = 0, therefore the value of x³¹ + y³⁵ is

If x + y + z = 0, then what is the value of (3y² + x² + z²)/(2y² – xz)?

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

If x sin³ θ + y cos³ θ = sin θ cos θ and x sin θ − y cos θ = 0, then the value of x² + y² equals

IfX = (√5 + 1) / (√5 – 1) and y = (√5 – 1) / (√5 + 1) then the value of(x ²+xy+y

If sec θ + tan θ = m(> 1), then the value of sin θ is (0° < θ < 90°)