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27 Oct 2017, 00:24
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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:
5%
(low)
Question Stats:
93% (00:51) correct
7%
(01:18)
wrong
based on 278
sessions
History
Date
Time
Result
Not Attempted Yet
During the three hours shown on the table the speed of the train
(A) increased by 25%
(B) increased by 50%
(C) increased by 75%
(D) increased by 100%
(E) increased by 125%
27 Oct 2017, 04:23
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(70-40)/40=3/4=75% increase...C
27 Oct 2017, 04:34
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This is % change question.
Original speed (at the beginning) = 40
New speed (at the end) = 70
Difference = 70 - 40 = 30
% Change = Difference/Original = (30/40)*100 = 75 %
Since difference is +ve (or new speed > original speed), its increase.
Ans: (C) increased by 75%
Original speed (at the beginning) = 40
New speed (at the end) = 70
Difference = 70 - 40 = 30
% Change = Difference/Original = (30/40)*100 = 75 %
Since difference is +ve (or new speed > original speed), its increase.
Ans: (C) increased by 75%
