Maths - Online Test

Q1. The eccentricity of the hyperbola whose latus rectum is 8 and conjugate axis is equal to half the distance between the foci is
Answer : Option C
Explaination / Solution:


Q2. If a vector  lies in the plane of  and  , then
Answer : Option C
Explaination / Solution:
No Explaination.


Q3. The position of a particle moving along a horizontal line of any time t is given by s (t) = 3t2 − 2t − 8 . The time at which the particle is at rest is
Answer : Option B
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Q4. If A =  , B = adj A and C = 3A , then  =
Answer : Option B
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Q5. If u ( x, y ) = ex2+y2 , then ∂u/∂x is equal to
Answer : Option B
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Q6. The area of the triangle formed by the complex numbers z, iz, and z + iz in the Argand’s diagram is
Answer : Option A
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Q7. For any value of   is
Answer : Option C
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Q8. The order and degree of the differential equation √sin x ( dx + dy ) = √cos x ( dx dy) is
Answer : Option C
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Q9. A polynomial equation in x of degree n always has
Answer : Option C
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A polynomial of degree n always has n roots
Q10.  is equal to
Answer : Option C
Explaination / Solution: