The following question have three statements. Study the question and the statements and decide which of the statement(s) is necessary to answer the question.
In the figure, find the value of EF.
Statement I: DB = 125 cm and ΔDOE is an equilateral triangle.
Statement II: CD = 35 cm and AB = 75
Statement III: AB II EF II DC and DE : EA = CF : FB = 2 : 3.
1
Statement I and Statement III together are sufficient to answer the question.
2
All the statements are required to answer the question.
3
Statement I and Statement II together are sufficient to answer the question.
4
Statement II and Statement III together are sufficient to answer the question.
5
Any two statements together are sufficient to answer the question.