Correct Answer: Option D
3√5 + √125 = 17.88
=> 3√5 + √(25 x 5) = 17.88
=> 3√5 + 5√5 = 17.88
=> 8√5 = 17.88
=> √5 = 2.235
So, √80 + 6√5 = √(16 x 5) + 6√5
= 4√5 + 6√5
= 10√5 = (10 x 2.235) = 22.35
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