Mathematics - Online Test
Q1. If any two columns of a determinant 
are interchanged, which one of the following
statements regarding the value of the determinant is CORRECT?
are interchanged, which one of the following
statements regarding the value of the determinant is CORRECT?
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. The value of 
is
is
Answer : Option A
Explaination / Solution:
= 0/48 = 0
Q3. Given two complex numbers 
the argument of z1/z2 in
degrees is
the argument of z1/z2 in
degrees is
Answer : Option A
Explaination / Solution:
Q4. The Blasius equation related to boundary layer theory is a
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. The probability of obtaining at least two “SIX” in throwing a fair dice 4 time is
Answer : Option B
Explaination / Solution:
n = 4; p = 1/6
q = 1 - 1/6 = 5/6
Q6. A triangular facet in a CAD model has vertices: P1(0, 0, 0); P2(1, 1, 0) and P3(1, 1, 1). The area of the
facet is
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. Fine the solution of d2y/dx2 which passes through the origin and the point (In 2,3/4),
Answer : Option C
Explaination / Solution:
Q8. Consider the function f(x) = |x| in the interval -1 ≤ x ≤ 1. At the point x = 0,f(x) is
Answer : Option C
Explaination / Solution:
f(x) = |x| –1 ≤ x ≤ 1
at x = 0
∴ It is continuous.
∴It is not differentiable.
Q9. 
Answer : Option B
Explaination / Solution:
Q10. The area enclosed between the straight line y = x and the parabola y = x2 in the x-y plane is
Answer : Option A
Explaination / Solution:
