Mathematics - Online Test
Q1. If A is a point on
the Y axis whose ordinate is 8 and B is a point on the X
axis whose abscissae is 5 then the equation of the line AB is
Answer : Option A
Explaination / Solution:
Q2. Identify the solution set for ?
Answer : Option D
Explaination / Solution:
Q3. Ltx→0[cosx]
Answer : Option B
Explaination / Solution:
Q4. A maximum or a minimum may not exist for a linear programming problem if
Answer : Option B
Explaination / Solution:
A maximum or a minimum may not exist for a linear programming problem if The feasible region is unbounded .
Q5. a cot θ + b cosecθ = p and
b cot θ +a cosec θ = q then p 2
-q2 is equal to
Answer : Option B
Explaination / Solution:
Q6. The sum of 40 A.M.’s between two number is 120. The sum of 50 A.M.’s between them is equal to
Answer : Option B
Explaination / Solution:
sum of n number of A.M's between two numbers a and b is given by
so,
therefore sum of 50 A.M's between a and b is,
Q7. A solid sphere of radius x cm is melted and cast into a shape of a solid cone of same radius. The height of the cone is
Answer : Option C
Explaination / Solution:
Q8. If the two lines of regression of a bivariate distribution coincide, then the correlation coefficient ρ satisfies.
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. Which of the following is incorrect?
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. We
wish to cover a chessboard with 
dominoes, the number of black squares
and the number of white squares covered by dominoes, respectively, placing a
domino can be modeled by
dominoes, the number of black squares
and the number of white squares covered by dominoes, respectively, placing a
domino can be modeled by
Answer : Option D
Explaination / Solution:
No Explaination.
