Maths - Online Test
Q1. The abscissa of the point on the curve f (x) = √(8−2x) at which the slope of
the tangent is −0.25 ?
Answer : Option B
Explaination / Solution:
Q2. if A = 
, B= 
then | adj ( AB) |=
, B= then | adj ( AB) |=
Answer : Option B
Explaination / Solution:
Q3. If f (
x, y ) = exy, then ∂2f / ∂x∂y is equal to
Answer : Option B
Explaination / Solution:
Q4. If z is a non zero
complex number, such that 2iz2 = 
then | z | is
then | z | is
Answer : Option A
Explaination / Solution:
Q5. The value 
is
is
Answer : Option C
Explaination / Solution:
Q6. The general solution of the differential
equation 
is
is
Answer : Option C
Explaination / Solution:
Q7. The polynomial x3
− kx2 + 9x has three real zeros if and only if, k satisfies
Answer : Option D
Explaination / Solution:
Q8. If sin-1 x +
sin-1 y + sin-1z = 3π / 2 , the value
of x2017 + y2018 + z2019
– [ 9/ (x101 + y101
+ z101)] is
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. Let X
represent the difference between the number of heads and the number of tails
obtained when a coin is tossed n
times. Then the possible values of X are
Answer : Option B
Explaination / Solution:
Q10. The centre of the circle
inscribed in a square formed by the lines x2 − 8x −12
= 0 and y2 −14 y + 45 = 0 is
Answer : Option A
Explaination / Solution:
