Maths - Online Test

Q1. If  then cos 2u is equal to
Answer : Option C
Explaination / Solution:


Q2.

Which of the following is a discrete random variable?

I. The number of cars crossing a particular signal in a day.

II. The number of customers in a queue to buy train tickets at a moment.

III. The time taken to complete a telephone call.
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. The equation of the circle passing through the foci of the ellipse  having centre at (0,3) is
Answer : Option A
Explaination / Solution:


Q4. Which one of the following is incorrect? For any two propositions p and q , we have
Answer : Option C
Explaination / Solution:
No Explaination.


Q5. The angle between the lines  and  is
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. The maximum value of the function x2 e−2x , x > 0 is
Answer : Option C
Explaination / Solution:



Q7. If A= , be such that λ A−1 = A , then λ is
Answer : Option C
Explaination / Solution:


Q8. The principal argument of 3/(-1+i ) is
Answer : Option C
Explaination / Solution:


Q9. The volume of solid of revolution of the region bounded by y2 = x(a − x) about x-axis is
Answer : Option D
Explaination / Solution:



Q10. The solution of dy/dx = 2y −x is 
Answer : Option C
Explaination / Solution: