If X:Y is 1:2 and Y:Z is 2:5 then X:Z is equal to Select the correct option.
A) 2:5	B) 3:5	C) 1:5	D) 4:5	E) 1:3
The two ratios given are having the same number 2 for Y in both the ratios.   Hence- X:Y = 1:2 Y:Z = 2:5   =&gt; X:Z = 1:5   Answer 1:5
<result>C</result>
If X:Y is 1:2 and Y:Z is 2:5 then X:Z is equal to