If √5 = 236, then the value of √5/2 – 10/√5 + √125 is equal to:
Solution
Correct Answer: Option B
√5/2 – 10/√5 + √125
= ((5)2 - 20 + 2√5 x 5√5)/(2√5)
= (5 - 20 + 50)/2√5
= (35/2√5) x (√5/√5)
= 35√5/10
= (7 x 2.236)/2
= 7 x 1.118
= 7.826
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