Maths - Online Test
Q1. Equation of the straight line perpendicular to the linex-y+5 = 0, through the point of intersection the y-axis and the given line
Answer : Option B
Explaination / Solution:
Q2. If the points (x, −2), (5, 2), (8,8) are collinear, then x is equal to
Answer : Option D
Explaination / Solution:
Q3. If 
, then the point P whose position vector 
divides the
line joining the points with position vectors 
and 
in the ratio
, then the point P whose position vector divides the
line joining the points with position vectors and in the ratio
Answer : Option A
Explaination / Solution:
Q4. The number of relations on a set containing 3 elements is
Answer : Option C
Explaination / Solution:
Let S = {a,b,c}
n(S) = 3
n(S x S) = 9
Number of relations in n{P(SxS)} = 29 = 512
Q5. 
is
is
Answer : Option D
Explaination / Solution:
Q6. The number of solutions of x2 + |x – 1| = 1 is
Answer : Option C
Explaination / Solution:
Q7. If f (x) = x
+ 2, then f '( f (x)) at x = 4 is
Answer : Option B
Explaination / Solution:
Q8. If tanα and tanβ are the roots of x2
+ ax + b = 0, then 
is equal to
is equal to
Answer : Option C
Explaination / Solution:
Q9. 
is
is
Answer : Option D
Explaination / Solution:
Q10. Everybody in a room shakes hands with everybody else. The total number of shake hands is 66. The number of persons in the room is
Answer : Option B
Explaination / Solution:
