6th Class
Mathematics
Mensuration
Question Bank
Mensuration Basics
question_answer
A rectangular lawn is 30 m by 20 m. It has two roads each 2 m wide running in the middle of it, one parallel to the length and the other parallel to the breadth. Find the Area of the roads.
A)\[98\,\,c{{m}^{2}}\]
B)\[\text{96}\,\,c{{m}^{2}}\]
C)\[76\,\,m{{m}^{2}}\]
D)\[\text{95}\,\,{{m}^{2}}\]
Correct Answer:
B
Solution :
Area of roads \[=\left( 20\times 2+30\times 2-2\times 2 \right)\] \[=\left\{ 40+60-4 \right\}=96{{m}^{2}}\]