Maths - Online Test
Q1. If g (
x, y ) = 3x2 − 5 y + 2 y2 , x (t) = et
and y (t) = cos t , then dg/dt
is equal to
Answer : Option A
Explaination / Solution:
Q2. The solution of the
equation | z | − z = 1+ 2i is
Answer : Option A
Explaination / Solution:
Q3. The value of 
is
is
Answer : Option A
Explaination / Solution:
Q4. The integrating factor of the differential
equation dy/ dx + P ( x) y
= Q(x) is x, then P(x)
Answer : Option C
Explaination / Solution:
Q5. The number of positive
zeros of the polynomial 
is
is
Answer : Option B
Explaination / Solution:
Q6. 
is equal
to
is equal
to
Answer : Option D
Explaination / Solution:
Q7. On a multiple-choice exam with 3 possible
destructives for each of the 5 questions, the probability that a student will
get 4 or more correct answers just by guessing is
Answer : Option A
Explaination / Solution:
Q8. The area of quadrilateral
formed with foci of the hyperbolas 
is
is
Answer : Option B
Explaination / Solution:
Q9. If a compound statement involves 3 simple
statements, then the number of rows in the truth table is
Answer : Option B
Explaination / Solution:
Q10. If 
, 
, 
are three non-coplanar vectors
such that 
, then the angle between and is
, , are three non-coplanar vectors
such that , then the angle between and is
Answer : Option B
Explaination / Solution:
No Explaination.
