The equation of y-axis is

If p(x) = (x⁴ – x² + x), then

If p(x) = x³ + x² + ax + 115 is exactly divisible by (x + 5) then a = ?

In the given figure, the value of x is

In the given figure, CE || BA and EF || CD. If ∠BAC = 40°, ∠ACB = 65° and ∠CEF = x° then the value of x is