1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
In which of the following molecules/ions are all the bonds not equal?
A
XeF4
B
$$BF_4^−$$
C
SF4
D
SiF4
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The decreasing values of bond angles from NH3 (106o) to SbH3 (91o ) down group-15 of the periodic table is due to
A
increasing bp-bp repulsion
B
increasing p-orbital character in sp3
C
decreasing lp-bp repulsion
D
decreasing electronegativity
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Suppose a population A has 100 observations 101, 102,........, 200, and another population B has 100 observations 151, 152,......., 250. If VA and VB represent the variances of the two populations, respectively, then $${{{V_A}} \over {{V_B}}}$$ is
A
1
B
$${9 \over 4}$$
C
$${4 \over 9}$$
D
$${2 \over 3}$$
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The value of $$\int\limits_1^a {\left[ x \right]} f'\left( x \right)dx,a > 1$$ where $${\left[ x \right]}$$ denotes the greatest integer not exceeding $$x$$ is
A
$$af\left( a \right) - \left\{ {f\left( 1 \right) + f\left( 2 \right) + .............f\left( {\left[ a \right]} \right)} \right\}$$
B
$$\left[ a \right]f\left( a \right) - \left\{ {f\left( 1 \right) + f\left( 2 \right) + ...........f\left( {\left[ a \right]} \right)} \right\}$$
C
$$\left[ a \right]f\left( {\left[ a \right]} \right) - \left\{ {f\left( 1 \right) + f\left( 2 \right) + ...........f\left( a \right)} \right\}$$
D
$$af\left( {\left[ a \right]} \right) - \left\{ {f\left( 1 \right) + f\left( 2 \right) + .............f\left( a \right)} \right\}$$
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