The mean of 100 observations is 50. If one of the observations which was 50 is replaced
by 40, the resulting mean will be
a)50 b)49.90 c) 70 d) 40
Q.2 State True or False.
11. If two parallel lines are intersected by a transversal, then the bisectors of the interior
angles on the same side of the transversal intersect at right angles.
12. If two sides of a triangle are unequal, the longer side has the greater angle opposite to it.
13. If abscissa of a point is zero, then the point lies on y-axis
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Answer:
option a 50 ok and true false l now
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