rishijhawar wrote:Sally has a gold credit card with a certain spending limit, and a platinum card with twice the spending limit of the gold card. Currently, she has a balance on her gold card that is 1/3 of the spending limit on that card, and she has a balance on her platinum card that is 1/5 of the spending limit on that card. If Sally transfers the entire balance on her gold card to her platinum card, what portion of her limit on the platinum card will remain unspent?
11/30; 29/60; 17/30; 19/30; 11/15
[spoiler]OA D.
IMO A as follows:
X= spending limit on her platinum card:So,
>(1/5)x + (1/3)(1/2)x
>(1/5)x + (1/6)x
>(6/30)x + (5/30)x =
>(11/30)x [/spoiler]

rishijhawar wrote:Anurag, thanks for your reply.
This was indeed a easy problem.
While solving, I made a mistake by interpreting "balance on card" as "unspent amount". Whereas actually it is the outstanding amount (to be paid by Sally). So, unspent amount= total limit MINUS balance, right?