1
GATE CE 2007
MCQ (Single Correct Answer)
+1
-0.3
If the standard deviation of the speed of vehicles in a highway is $$8.8$$ kmph and the mean speed of the vehicles is $$33$$ kmph, the coefficient of variation in speed is
A
$$0.1517$$
B
$$0.1867$$
C
$$0.2666$$
D
$$0.3646$$
2
GATE CE 2003
MCQ (Single Correct Answer)
+1
-0.3
A box contains $$10$$ screws, $$3$$ of which are defective. Two screws are drawn at random with replacement. The probability that none of the two screws is defective will be
A
$$100$$%
B
$$50$$%
C
$$49$$%
D
none
GATE CE Subjects
Fluid Mechanics and Hydraulic Machines
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