Maths - Online Test

Q1. If , equal to
Answer : Option D
Explaination / Solution:

2sinθ or (1) -2cosθ Please dont refer this solution for examination)


Q2.  is
Answer : Option C
Explaination / Solution:


Q3. In 3 fingers, the number of ways four rings can be worn is ………..ways.
Answer : Option D
Explaination / Solution:

4 rings can be worn in 3 fingers in 3ways
Q4. Let A and B be two events such that P() = 1/6 , P ( A ∩ B) = 1/4 and P () = 1/4 . Then the events A and B are
Answer : Option B
Explaination / Solution:


Q5. If a is the arithmetic mean and g is the geometric mean of two numbers, then
Answer : Option B
Explaination / Solution:


Q6. Straight line joining the points (2, 3) and (-1, 4) passes through the point (α,β) if
Answer : Option C
Explaination / Solution:


Q7. If A =  then for what value of λ, A2 = O ?
Answer : Option B
Explaination / Solution:


Q8. If = 3iˆ + 2 jˆ + kˆ and the position vector of B is iˆ + 3jˆ − kˆ, then the position vector A is
Answer : Option B
Explaination / Solution:


Q9.

Let R be the set of all real numbers. Consider the following subsets of the plane R x  R:

S = {(x, y) : y = x + 1 and 0 < x < 2} and T = {(x, y) : x - y is an integer }

Then which of the following is true?
Answer : Option A
Explaination / Solution:


Q10.  is
Answer : Option A
Explaination / Solution:
No Explaination.