Select the option figure that can replace the question mark (?) in the following series.

Answer & explanation
Correct answer: option 4
The logic followed in this figure is :
Inner triangle is blank in Ist figure and only 1 line
Inner triangle is Black color in IInd figure and 2 lines
Inner triangle is blank in IIIrd figure and only 3 line
Inner triangle is Black color in Ivth figure and 4 lines
Therefore last image would be
Inner triangle is blank in IVth figure and only 5 lines
(note: lines starting from top in a clockwise direction )
Therefore Image will be :
