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Question 1
If the angle between the lines whose direction ratios are 
and 
is 
then the smaller value of x is
and is then the smaller value of x is
Question 2
If 
then 
is equal to
then is equal to
Question 3
The general solution of 
represents a circle only when
represents a circle only when
Question 4
What is 
equal to?
equal to?
Question 5
Which one of the following graph represents the function 
Question 6
Let g be the greatest integer function Then the function 
is discontinuous at
is discontinuous at
Question 7
The adjoint of the matrix
is
Question 8
If 
and 
then what is 
equal to?
and then what is equal to?
Question 9
It is given that 
σy =12 and 
The regression equation of X and Y is
σy =12 and The regression equation of X and Y isQuestion 10
If a variable takes values 0, 1, 2, 3, …, n with frequencies
respectively, then the arithmetic mean is
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