Maths - Online Test
Q1. Let f : R→R be defined by f (x) = 
then f is
then f is
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. If f (x)
= 
, then which one of the following is true?
, then which one of the following is true?
Answer : Option A
Explaination / Solution:
Q3. 
is
is
Answer : Option D
Explaination / Solution:
Q4. If Pr stands for rPr
then the sum of the series 1 + P1 + 2P2 + 3P3
+……….+ nPn is
Answer : Option B
Explaination / Solution:
Q5. In a certain college 4% of the boys and 1% of the girls are taller than 1.8 meter. Further 60% of the students are girls. If a student is selected at random and is taller than 1.8 meters, then the probability that the student is a girl is
Answer : Option B
Explaination / Solution:
Q6. The area of the triangle formed by the lines x2
- 4y2 = 0 and x = a is
Answer : Option C
Explaination / Solution:
Q7. If A is skew-symmetric of order n and C is a column matrix of order n × 1, then CTAC is
Answer : Option C
Explaination / Solution:
Q8. If (1, 2, 4) and (2, - 3λ - 3) are the initial and terminal points of the vector iˆ + 5 ˆj − 7kˆ , then the value of λ is equal to
Answer : Option B
Explaination / Solution:
Q9. Let f
: R → R be defined by f(x) = 1 - |x|.
Then the range of f is
Answer : Option D
Explaination / Solution:
Q10. The function 
is not defined for x =
−1 . The value of f (−1) so that the function
extended by this value is continuous is
is not defined for x =
−1 . The value of f (−1) so that the function
extended by this value is continuous is
Answer : Option B
Explaination / Solution:
