A) 8 m
B) 16 m
C) 39 m
D) 3 m
Correct Answer: B
Solution :
Total cost \[=Rs.\,1872\] Cost of ploughing \[1\,\,sq.\,\,\,\,\,m=Rs.\,9\] \[\therefore \] Area of field \[=1872-9=208\text{ }sq.\text{ }m\] \[\Rightarrow \]Length \[\times \] Breadth \[=208\text{ }sq.\text{ }m\] \[\Rightarrow \]Length \[\times 13\text{ }m=208\text{ }sq.\text{ }m\] \[\Rightarrow \]Length \[=208\div 13=16\text{ }m\]You need to login to perform this action.
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