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23 Sep 2018, 21:43
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
89% (00:32) correct
11%
(00:34)
wrong
based on 490
sessions
History
Date
Time
Result
Not Attempted Yet
How much did a certain telephone call cost?
(1) The call lasted 53 minutes.
(2) The cost for the first 3 minutes was 5 times the cost for each additional minute.
(1) The call lasted 53 minutes.
(2) The cost for the first 3 minutes was 5 times the cost for each additional minute.
Solving this question helps.
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24 Sep 2018, 04:52
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Bunuel
Question: How much did a certain telephone call cost?
Statement 1: The call lasted 53 minutes.
Tariff of call (i.e. charge per min of call) is unknown hence
NOT SUFFICIENT
Statement 2: The cost for the first 3 minutes was 5 times the cost for each additional minute.
Tariff of call (i.e. charge per min of call) is unknown along with the duration hence
NOT SUFFICIENT
Combining the two statements
Tariff of call (i.e. charge in dollar or cents per min of call) is unknown along with the duration hence
NOT SUFFICIENT
Answer: Option E
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Mo2men
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24 Sep 2018, 07:41
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GMATinsight
Dear GMATinsight
Can you please help me interpret statement 2 in math equation? How to build the relation between the 3 minutes cost and cost of additional minute?
Thanks in advance
