Maths - Online Test

Q1. If |x| ≤ 1 , then 2tan-1 x - sin-1 2x/ (1+ x2) is equal to
Answer : Option C
Explaination / Solution:


Q2. If  is a probability density function of a random variable, then the value of a is
Answer : Option A
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Q3. Let C be the circle with centre at (1,1) and radius = 1 . If T is the circle centered at (0, y) passing through the origin and touching the circle C externally, then the radius of T is equal to
Answer : Option D
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Q4.


Which one of the following is correct for the truth value of ( p q)→ ¬ p?

Answer : Option B
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Q5. If the line  lies in the plane x + 3y - α z + β = 0, then (α , β ) is
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. One of the closest points on the curve x2 − y2 = 4 to the point (6, 0) is
Answer : Option C
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Q7. If adj A= , adj B= , then adj ( AB) is
Answer : Option B
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Q8. The principal argument of (sin 40°+ i cos 40°)is
Answer : Option A
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Q9.

If 

 then one of the possible value of a is
Answer : Option C
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Q10. The solution of the differential equation  is
Answer : Option B
Explaination / Solution: