Find the value of `x` if `x:3 = 2:5`

Find the value of x , if x :6::5:3

Find the value of x , if : (i) (2x + 3) : (5x - 38) is the duplicate ratio of sqrt(5) : sqrt(6). (ii) (2x + 1) : (3x + 13) is the sub-duplicate ratia of 9 : 25 . (iii) (3x - 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27 .

Find the value of x if A= |(3x, 2), (5x,1)| if |A|= 5

Find the value of x if [[x+2,0],[3,5]]=[[5,0],[3,5]]

Find the value of x , if 5^(x-3). 3^(2x-8)=225

Find the value of x , if 5^(x-3)\ 3^(2x-8)=225

Find the value of x, if [1x1][{:(1,3,2),(2,5,1),(15,3,2):}][{:(1),(2),(x):}]=0

Find the value of x and y : 2x+3y=5,3x+y=4

Find the value of 3x^2-5x+8 for x=3

Find the value of x , if 5^(x-2)xx3^(2x-3)=135