Maths - Online Test

Q1. If , then x is equal to
Answer : Option B
Explaination / Solution:


Q2. Let X have a Bernoulli distribution with mean 0.4, then the variance of (2X–3) is
Answer : Option D
Explaination / Solution:



Q3. Area of the greatest rectangle inscribed in the ellipse  is
Answer : Option A
Explaination / Solution:


Q4. The proposition p (¬p q) is
Answer : Option C
Explaination / Solution:



Q5. The coordinates of the point where the line  = (6 ˆ i - ˆ j - 3 ˆ k ) + t(-ˆ i + 4 ˆ k ) meets the plane .( ˆ i + ˆ j - ˆ k ) = 3 are
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. The curve y = ax4 + bx2 with ab > 0
Answer : Option D
Explaination / Solution:



Q7. If xa yb = em , xc yd = en   then the values of x and y are respectively,
Answer : Option D
Explaination / Solution:


Q8. If ω 1 is a cubic root of unity and (1+ ω)7 = A + Bω , then ( A, B) equals
Answer : Option D
Explaination / Solution:


Q9. The value of  is
Answer : Option D
Explaination / Solution:



Q10. The number of arbitrary constants in the general solutions of order n and n +1are respectively
Answer : Option B
Explaination / Solution: