correct answer is: b) 15 & 27

Explanation

Two numbers ratio are KaTeX parse error: KaTeX doesn't work in quirks mode.
Let, one number is KaTeX parse error: KaTeX doesn't work in quirks mode.
Another number is KaTeX parse error: KaTeX doesn't work in quirks mode.
According to the question,
KaTeX parse error: KaTeX doesn't work in quirks mode.
KaTeX parse error: KaTeX doesn't work in quirks mode.
KaTeX parse error: KaTeX doesn't work in quirks mode. _{[cross multiply]}
KaTeX parse error: KaTeX doesn't work in quirks mode.
KaTeX parse error: KaTeX doesn't work in quirks mode. _{[interchange]}
KaTeX parse error: KaTeX doesn't work in quirks mode.
KaTeX parse error: KaTeX doesn't work in quirks mode. One number is KaTeX parse error: KaTeX doesn't work in quirks mode. or KaTeX parse error: KaTeX doesn't work in quirks mode.
KaTeX parse error: KaTeX doesn't work in quirks mode.
And, another number is KaTeX parse error: KaTeX doesn't work in quirks mode. or KaTeX parse error: KaTeX doesn't work in quirks mode.
KaTeX parse error: KaTeX doesn't work in quirks mode.
Ans: One number is KaTeX parse error: KaTeX doesn't work in quirks mode.
Another number is KaTeX parse error: KaTeX doesn't work in quirks mode.