Maths - Online Test
Q1. If m
is a number such that m ≤ 5, then the
probability that quadratic equation 2x2
+ 2mx + m + 1 = 0 has real roots is
Answer : Option C
Explaination / Solution:
Q2. The equation of one the line represented by the
equation x2 + 2xy cotθ - y2 = 0 is
Answer : Option D
Explaination / Solution:
Q3. Let A and B be two symmetric matrices of same order. Then which one of the following statement is not true?
Answer : Option B
Explaination / Solution:
Q4. If 
= iˆ + 2 jˆ + 2kˆ ,| 
|= 5
and the angle between and is π/6 , then the area of the triangle formed by these two
vectors as two sides, is
= iˆ + 2 jˆ + 2kˆ ,| |= 5
and the angle between and is π/6 , then the area of the triangle formed by these two
vectors as two sides, is
Answer : Option B
Explaination / Solution:
