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27 Jan 2020, 02:42
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
77% (01:20) correct
23%
(01:11)
wrong
based on 228
sessions
History
Date
Time
Result
Not Attempted Yet
For what duration did Antony speak in a meeting?
(1) He spoke an average of 55 words per minute.
(2) He would have spoken for 12 more minutes had his speaking rate been 4 words less per minute.
(1) He spoke an average of 55 words per minute.
(2) He would have spoken for 12 more minutes had his speaking rate been 4 words less per minute.
BhishmaNaidu99
27 Jan 2020, 08:29
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statement 1
average = 55,
total words / total time = 55,
not sufficient ,
statement 2 ,
let x be rate ,
total words / total time - 12 min = orginal average - 4.. not sufficient
By combining , we have original average or rate = 55 words per min.
total words/ total time - 12 = 51.
52*total time / total time -12 = 51.
total time = 51*12 = 610 minutes.
OPTION C
average = 55,
total words / total time = 55,
not sufficient ,
statement 2 ,
let x be rate ,
total words / total time - 12 min = orginal average - 4.. not sufficient
By combining , we have original average or rate = 55 words per min.
total words/ total time - 12 = 51.
52*total time / total time -12 = 51.
total time = 51*12 = 610 minutes.
OPTION C
13 May 2020, 17:39
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W = Total Words
T = Total Time
1) W/T = 55 -> Insufficient
2) W/(T+12) = 51 -> Insufficient
1+2) 55T =51T + 612 -> T = 153 Sufficient
T = Total Time
1) W/T = 55 -> Insufficient
2) W/(T+12) = 51 -> Insufficient
1+2) 55T =51T + 612 -> T = 153 Sufficient
