for example, consider a scenario: “a close friend of you has borrowed your samsung wb100 16mp camera, in which you had about 300+ photos.

How would the previous sentence be correctly capitalized?
Answer: For example, consider a scenario: “A close friend of you has borrowed your Samsung WB100 16MP camera, in which you had about 300+ photos.
7241 other services relating to vehicles

How would the previous sentence be correctly capitalized?
Answer: 7241 Other services relating to vehicles
when all this is done it has received the hybrid dna molecules, ie, molecules that contain dna segments that artificially joined together.

How would the previous sentence be correctly capitalized?
Answer: When all this is done it has received the hybrid DNA molecules, ie, molecules that contain DNA segments that artificially joined together.
the payout for scatter symbols is multiplied by your total bet. name of this page is a night out slot is a line.

How would the previous sentence be correctly capitalized?
Answer: The payout for scatter symbols is multiplied by your total bet. Name of this page is A Night Out Slot Is A Line.