The perimeter of rectangular is 200 meter . The breadth is 3/7 part of the length . What is the length ?
A
30m
B
50m
C
60m
D
70m
Correct Answer: 70m
Here,perimeter of rectangular,2(a+b)=200Let, length=aAccording to question, Breadth=3a/7Putting the value in above equation, We get,length a= 70