Mathematics - Online Test

Q1.

Let x be random variable with probability density function


Which of the following statement is correct?
Answer : Option B
Explaination / Solution:



Q2. A system of three linear equations in three variables is inconsistent if their planes
Answer : Option D
Explaination / Solution:


Q3.

If n is a rational number, which is not a whole number, then the number of terms in the expansion of  is


Answer : Option C
Explaination / Solution:



Q4. The equation of the locus of the point whose distance from y-axis is half the distance from origin is
Answer : Option D
Explaination / Solution:


Q5. The equation of the circle passing through (1, 5) and (4,1) and touching y -axis is x2 + y2 − 5x − 6 y + 9 + λ (4x + 3y −19) = 0 where λ is equal to
Answer : Option A
Explaination / Solution:


Q6. If in triangles ABC and EDF then they will be similar, when
Answer : Option C
Explaination / Solution:


Q7. If  and  are parallel vectors, then [  ] is equal to
Answer : Option D
Explaination / Solution:
No Explaination.


Q8. The area of triangle formed by the points (−5,0) , (0,−5) and (5,0) is
Answer : Option B
Explaination / Solution:


Q9. Identify the solution set for –( x – 3 ) < 5 – 2x
Answer : Option D
Explaination / Solution:



Q10. A linear programming problem is one that is concerned with
Answer : Option D
Explaination / Solution:

A linear programming problem is one that is concerned with finding the optimal value (maximum or minimum) of a linear function of several variables .