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26 Feb 2011, 17:37
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E
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Difficulty:
35%
(medium)
Question Stats:
63% (01:16) correct
37%
(00:56)
wrong
based on 699
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What is the value of x?
(1) When x is multiplied by 8, the result is between 50 and 60.
(2) When x is doubled, the result is between 10 and 15.
(1) When x is multiplied by 8, the result is between 50 and 60.
(2) When x is doubled, the result is between 10 and 15.
26 Feb 2011, 17:48
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banksy
What is the value of x?
Note that we are not told that x is an integer.
(1) When x is multiplied by 8, the result is between 50 and 60 --> 50<8x<60 --> 50/8<x<60/8 --> 6.25<x<7.5. Not sufficient.
(2) When x is doubled, the result is between 10 and 15 --> 10<2x<15 --> 5<x<7.5. Not sufficient.
(1)+(2) 6.25<x<7.5. Not sufficient.
Answer: E.
General Discussion
23 Jul 2020, 23:53
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If x is given to be an integer. Ans will be A.. correct?
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