Problem Solving (PS) | How many ways are there to split a group of 10 people into five groups

How many ways are there to split a group of 10 boys into five groups of 2 boys each. (The order of the group does not matter)

A) 3150
B) 6300
C) 75600
D) 945
E) 15200


Kudos for correct answers and explanations.

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