Data Sufficiency (DS) | Re: Four friends go to Macys for shopping and buy a top each. Three of th

I would say let me place them in decreasing order of cost from most expensive to leats expensive: __ __ __ ____ __ __
I need the value of the highlighted blank.

(1) The most expensive top cost $16.

So let me write the possible cases:
16, 15, 14, 13, 12, 11, 10
But this sums up to 91 ( = 13 * 7)
So I need to reduce the sum by 2. I can do it in only two ways - reduce the last price by 2 or reduce last two prices by 1 each:
16, 15, 14, 13, 12, 11, 8
or
16, 15, 14, 13, 12, 10, 9
If I try to reduce any other price by 1, I will need to reduce all the
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Statistics : Posted by KarishmaB • on 15 Apr 2015, 04:55 • Replies 21 • Views 8071

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