In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Problem: what is the length of the diagonal of a square whose area is 4 times of another square with diagonal as 5 v 2 cm ? 
Options: ['a ) 20 v 2', 'b ) 10', 'c ) 10 v 2', 'd ) 20', 'e ) 25']
c

Problem: 34 . the side surface of a cylinder is rolled with a rectangle . if the height of a cylinder is 16 feet and the perimeter of the circular base . is 12 feet , what is the diagonal of the rectangle ? 
Options: ['a ) 16', 'b ) 20', 'c ) 18', 'd ) 22', 'e ) 21']
b

Problem: how many odd numbers between 10 and 1500 are the squares of integers ? 
Options: a ) 11 , b ) 14 , c ) 17 , d ) 20 , e ) 23

c