Correct Answer: YXUZVZXUYX

Solution : Given:
_ZW_V_Y_WX_UY_W_V_ _ZW_VU

To fill the series, we have to divide the series – _ZW_V_ / Y_WX_U / Y_W_V_ / _ZW_VU
Let's check the given options –
First option: YXUZVZXUYX; Y ZW X V U / Y Z WX V U / Y Z W X V U / Y ZW X VU (YZWXVU is repeated in the series.)
Second option: XYUZZVXUXY; X ZW Y V U / Y Z WX Z U / Y V W X V U / X ZW Y VU (No repeated pattern found.)
Third option: XYUZVXZUXY; X ZW Y V U / Y Z WX V U / Y X W Z V U / X ZW Y VU (No repeated pattern found.)
Fourth option: YXZUXZUYXV; Y ZW X V Z / Y U WX X U / Y Z W U V Y / X ZW V VU (No repeated pattern found.)

So, the sequence is YZWXVUYZWXVUYZWXVUYZWXVU. Hence, the first option is correct.