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Option 2 : Only statement 4 is true

Thus, using the following notations, we can draw the family tree:

[ alt="images Q3" src="//storage.googleapis.com/tb-img/production/19/04/images_Q3.PNG" style="width: 208px; height: 275px;">

Statement 1: C’s brother E is the brother of X who is the mother of R.

[ alt="SSC CGL LT 25q Reviewed images q5" src="//storage.googleapis.com/tb-img/production/19/04/SSC%20CGL_LT_25q%20Reviewed_images_q5.PNG">

Statement 2: S is the son of C’s wife P.

[ alt="SSC CGL LT 25q Reviewed images q5a" src="//storage.googleapis.com/tb-img/production/19/04/SSC%20CGL_LT_25q%20Reviewed_images_q5a.PNG" style="width: 264px; height: 103px;">

Thus, we get that R is the cousin of S and S is the nephew of X.

Hence, only statement 4 is true.
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