Subject: mathqa
Question: what will be the area of a semi - circle of 14 metres diameter ?
Option: 
A: none of these']
B: 77 sq metres', 'c ) 308 sq metres', 'd ) 22 sq metres', 'e ) none of these']
C: 308 sq metres', 'd ) 22 sq metres', 'e ) none of these']
D: 154 sq metres', 'b ) 77 sq metres', 'c ) 308 sq metres', 'd ) 22 sq metres', 'e ) none of these']
Answer: B