Maths - Online Test
Q1. If x3 +12x2 +10ax +1999 definitely has a
positive zero, if and only if
Answer : Option C
Explaination / Solution:
Q2. The domain of the function
defined by f (x) = sin-1√(x-1) is
Answer : Option A
Explaination / Solution:
Q3.
Four buses carrying 160 students from the same school arrive
at a football stadium. The buses carry, respectively, 42, 36, 34, and 48
students. One of the students is randomly selected. Let X denote the number of students that were on the bus carrying the
randomly selected student. One of the
4 bus drivers is also randomly selected. Let Y denote the number of students on that bus.
Answer : Option C
Explaination / Solution:
Q4. If P(x, y)
be any point on 16x2 + 25 y2 = 400 with
foci F1 (3, 0) and F2 (−3, 0) then PF1
+ PF2 is
Answer : Option C
Explaination / Solution:
Q5. Which one of the following statements has the
truth valueT ?
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. If 
and 
,
then the value of λ + μ is
and ,
then the value of λ + μ is
Answer : Option A
Explaination / Solution:
No Explaination.
Q7. Angle between
y2 = x and x2 = y at the origin is
Answer : Option C
Explaination / Solution:
Q8. If A, B and C
are invertible matrices of some order, then which one of the following is
not true?
Answer : Option B
Explaination / Solution:
Q9. The approximate change in the volume V of a cube
of side x metres caused by increasing
the side by 1% is
Answer : Option C
Explaination / Solution:
Q10. If | z | = 1, then the value of 
is
is
Answer : Option A
Explaination / Solution:
