Aptitude Question:

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(loga)^2-(logb)^2 =?

Aptitude Interview Question
Aptitude Interview Question

Answer:

(log a + log b)(log a- log b)
=log ab . log a/b

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With just six weights and a balance scale, you can weigh any unit number of kgs from 1 to 364. What could be the six weights?If (A + 3)^2 = 9 and (B + 4)^2 = 25 then what is the min value for a and b?