In the UN Emblem which colour symbolizes peace?

I. p² – 5p + 6 = 0                  

II. 36q² = 81

I. 2p² + 5p + 2 = 0               II. 2q² + 11 q + 14 = 0

If (5√P - 7√Q) = 5, [1.5P = 4Q-(R/3)+9] and (√P/√Q) = 1.6, then find out the value of ‘R’.

I. 8/(√x) + 6/(√x) = √x

II. y ³- (14)^7/2 /(√y) = 0

If x - √3 y = 8 Find the slope in angle?

I. p² - 365 = 364

II. q - √ 529 = √ 169

If in two linear equations ax + by = c and dx + ey = f and a/d = b/e = c/f  then, which of the following is true about the two equations?

If, x - y radic; 3 = 23 and radic; 3x + y = 35

Find the angle between both the lines when they intersect each other.

The equations 6x + my + 18 = 0 and 9x + 21y + 27 = 0 have a unique solution. Which of the following statements is definitely true?