amanvermagmat wrote:
What is the arithmetic mean of 3x and 4y?
(1) y/6 - x/8 = 2/3
(2) y/6 + x/8 = 5/3
Question : (3x+4y)/2 = ?Statement 1: y/6 - x/8 = 2/3Since there is -ve sign in the given equation therefore 3x+4y can't be calculated using this statement Hence
NOT SUFFICIENT
Statement 2: y/6 + x/8 = 5/3i.e. (4y+3x)/24 = 5/3
i.e. (3x+4y) can be calculated hence
SUFFICIENT
Answer: option B
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