Question:
If 35 125 = 17.88, then what will be the value of 80 65
Answer:
Given, 35 + 125 = 17.88
=> 35 + 25*5 = 17.88
=> 35 + 55 = 17.88
=> 85 = 17.88
=> 5 = 17.88/5
=> 5 = 2.235
Now, 80 + 65 = 16*5 + 65
= 45 + 65
= 105
= 10 * 2.235
= 22.35
Think this question as,
Given, 3√5 + √(125) = 17.88
=> 3√5 + √(25*5) = 17.88
=> 3√5 + 5√5 = 17.88
=> 8√5 = 17.88
=> √5 = 17.88/5
=> √5 = 2.235
Now, 80 + 65 = √(16*5) + 6√5
= 4√5 + 6√5
= 10√5
= 10 * 2.235
= 22.35
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