Question

Two persons could fit new windows in a house in $3$ days. One of the persons fell ill before the work started. How long days would the job take now?

• A. $3$
• B. $4$
• C. $6$
• D. $9$

Answer 1

The correct option is C $6$

No. of persons Time taken

$2$ $3$ days

$1$ $x$ days

By inverse proportion,

$2$ x $3=1$ x $x$

$\therefore x=6$

Answer is $6$ days