Question

A man and a woman $81$ miles apart from each other start traveling towards each other at the same time. If the man covers $5$ miles per hour compared to women's $4$ miles per hour, how far will woman have travelled when they meet?

• A. $27$
• B. $36$
• C. $45$
• D. $32$

Answer 1

The correct option is B $36$

Relative speed $=5+4=9$ miles per hour.
Time take to cover $81$ miles $=81/9=9$ hours
Woman traveled in $9$ hours $=9\times 4=36$ miles.