Question

$35$ workers can build a house in $16$ days. How many days will $28$ workers working at the same rate take to build the same house?

• A. $16days$
• B. $28days$
• C. $20days$
• D. $10days$

Answer 1

Answer: (C)

$20days$

By inverse proportion,

$28\times x=35\times 16$

$x=\frac{35\times 16}{28}=20days$