1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The $$d.r.$$ of normal to the plane through $$(1, 0, 0), (0, 1, 0)$$ which makes an angle $$\pi /4$$ with plane $$x+y=3$$ are :
A
$$1,\sqrt 2 ,1$$
B
$$1,1,\sqrt 2 $$
C
$$1, 1, 2$$
D
$$\sqrt 2 ,1,1$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls?
A
73
B
65
C
68
D
74
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
$$\mathop {\lim }\limits_{x \to 0} {{\sqrt {1 - \cos 2x} } \over {\sqrt 2 x}}$$ is
A
$$1$$
B
$$-1$$
C
zero
D
does not exist
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The domain of $${\sin ^{ - 1}}\left[ {{{\log }_3}\left( {{x \over 3}} \right)} \right]$$ is
A
[1, 9]
B
[-1, 9]
C
[9, 1]
D
[-9, -1]
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