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A certain exam lasts a total of 4 hours. Each part of the ex
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16 Nov 2020, 05:28
16 Nov 2020, 05:28
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Question Stats:
84% (01:01) correct
15% (01:35) wrong based on 13 sessions
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A certain exam lasts a total of 4 hours. Each part of the exam requires the same amount of time, and 10 minute breaks are included between consecutive parts. if there are a total of 4 breaks during the 4 hours, what is the required time, in minutes, for each part of the test?
Kudos for the right solution and explanation
Source: 320 GRE Math Questions
Show: :: OA
40
Kudos for the right solution and explanation
Source: 320 GRE Math Questions
Re: A certain exam lasts a total of 4 hours. Each part of the ex
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16 Nov 2020, 22:37
16 Nov 2020, 22:37
1
[quote="Carcass"]A certain exam lasts a total of 4 hours. Each part of the exam requires the same amount of time, and 10 minute breaks are included between consecutive parts. if there are a total of 4 breaks during the 4 hours, what is the required time, in minutes, for each part of the test?
If one test is for 40 mins followed by a break, the total time will be 50 mins.
50 mins X 4 + 40 mins, because there is no break in the end.
= 240 mins.
By converting this to hours = 240/60 = 4.
So, 40 mins is the answer.
If one test is for 40 mins followed by a break, the total time will be 50 mins.
50 mins X 4 + 40 mins, because there is no break in the end.
= 240 mins.
By converting this to hours = 240/60 = 4.
So, 40 mins is the answer.
Re: A certain exam lasts a total of 4 hours. Each part of the ex
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17 Nov 2020, 04:53
17 Nov 2020, 04:53
How you are so sure that the exam consists of 4 parts!!!
