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# A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon.

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Joined: 02 Sep 2009
Posts: 58445
A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon.  [#permalink]

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12 Feb 2018, 23:28
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Difficulty:

5% (low)

Question Stats:

95% (00:39) correct 5% (00:24) wrong based on 51 sessions

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A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon. How many minutes long was the class?

(A) 457

(B) 215

(C) 150

(D) 135

(E) 75

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Re: A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon.  [#permalink]

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12 Feb 2018, 23:34
Time duration between 1:21 PM to 3:36 PM= 2 hours 15 mins

2 hours 15 mins= 2*60+15= 120+15= 135 mins

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Re: A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon.  [#permalink]

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15 Feb 2018, 01:18
Bunuel wrote:
A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon. How many minutes long was the class?

(A) 457

(B) 215

(C) 150

(D) 135

(E) 75

solu.1:21 started and ended at 3:36pm means
total minutes=9 min+30min+60min+36min=135 min answer is D
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Re: A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon.  [#permalink]

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20 Feb 2018, 17:15
Bunuel wrote:
A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon. How many minutes long was the class?

(A) 457

(B) 215

(C) 150

(D) 135

(E) 75

From 1:21 pm to 3:36 pm there are 2 hours and 15 minutes, or 120 + 15 = 135 minutes.

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Re: A class begins at 1:21 p.m. and ends at 3:36 p.m. the same afternoon.   [#permalink] 20 Feb 2018, 17:15
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