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ISRO | ISRO CS 2018 | Question 52

A particular parallel program computation requires 100 sec when executed on a single processor. If 40% of this computation is inherently sequential (i.e. will not benefit from additional processors), then theoretically best possible elapsed times of this program running with 2 and 4 processors, respectively, are

(A)

20 sec and 10 sec

(B)

30 sec and 15 sec

(C)

50 sec and 25 sec

(D)

70 sec and 55 sec

Answer

Please comment below if you find anything wrong in the above post
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