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06 Jun 2020, 06:23
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
18% (02:45) correct
82%
(02:13)
wrong
based on 116
sessions
History
Date
Time
Result
Not Attempted Yet
Jack and Fred wanted to buy ice-creams. If Jack would have 7 cents more and Fred would have 1 cent more, they could buy 1 ice-cream for each. What is the price for 1 ice-cream?
(1) Money that Jack and Fred have together is not sufficient for even 1 ice-cream
(2) Fred had 6 cents more than Jack's money
(1) Money that Jack and Fred have together is not sufficient for even 1 ice-cream
(2) Fred had 6 cents more than Jack's money
06 Jun 2020, 08:30
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evgeniailyina2018
I believe this is the intended meaning of the question.
Say, Jack has j cents and Fred has f cents.
If Jack would have 7 cents more and Fred would have 1 cent more, they could buy 1 ice-cream for each: so, the price of an ice-cream = j + 7 = f + 1.
(1) says Money that Jack and Fred have together is not sufficient for even 1 ice-cream: j + f < f + 1, which gives j < 1. Since Jack cannot have fraction of a cent, then j = 0. Thus, the price of an ice-cream = j + 7 = 7. Sufficient.
(2) translates to f = j + 6. We knew this from this stem (j + 7 = f + 1 gives f = j + 6). Not sufficient.
Answer: A.
06 Jun 2020, 08:35
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evgeniailyina2018
Question: Price of 1 ice-cream = ?
Let. Price = P = ?
Jack = P-7
Fred = P-1
Statement 1: (P-7)+(P-1) < P
i.e. P < 8
But Jack can NOT have negative money i.e. P-7 ≥ 0
i.e. P ≥ 7
i.e .P has to be 7
SUFFICIENT
Statement 2: P-1 = 6+(P-7)
We already know that hence
NOT SUFFICIENT
Answer: Option A
