`/_PQR=3x` and `/_QOR=2x+10^@` find the value of `x` for which `POQ` will be a line

Given /_POR=3x and /_QOR=2x+10 , find the value of x for which POQ will be a line (In figure)

Given /_P O R=3x\ a n d\ /_Q O R=2x+10 , find the value of x for which P O Q will be a line. (In figure)

Given anglePOR=3x^@ and QOR=(2x+30)^@ find the values of x for which POQ is a striaght line

Find the value of x for which x^2 - 10x + 28 will be minimum.

If 3x+2y=10 and 2x+3y=15 , find the value of x+y .

In the given figure, AOB is a straight line and OC is a ray such that /_AOC = (3x+20)^(@) and /_BOC = (2x - 10)^(@) . Find the value of x and hence find (i) /_AOC (ii) /_BOC

If 3x + 2y = 10 and 2x + 3y = 15, find the value of x + y.

Find the value of x if 2x,x+10 and 3x+2 are in A.P.

Given /_POR=3x and /_QOR=2x+10^(0) . If POQ is straight line,then the value of x is 30^(0)( b) 34^(@)(c)36^(@)(d) none of these