Chapter 3: Algebra - Online Test
Q1. A system of three linear equations in three variables is inconsistent if their planes
Answer : Option D
Explaination / Solution:
Q2. The solution of the system x
+ y − 3x = −6 , − 7y + 7z = 7 , 3z =
9 is
Answer : Option A
Explaination / Solution:
Q3. If (x - 6) is the
HCF of x2 - 2x - 24 and x2 - kx
- 6 then the value of k is
Answer : Option B
Explaination / Solution:
Q4. 
is
is
Answer : Option A
Explaination / Solution:
Q5. 
is not equal to
is not equal to
Answer : Option B
Explaination / Solution:
Q6. 
gives
gives
Answer : Option C
Explaination / Solution:
Q7. The square root of 
is equal to
is equal to
Answer : Option D
Explaination / Solution:
Q8. Which of the following
should be added to make x4 + 64 a perfect square
Answer : Option B
Explaination / Solution:
Q9. The solution of 2x
− 12 = 9 is equal to
Answer : Option C
Explaination / Solution:
Q10. The values of a and b
if 4x 4 − 24x 3 + 76x 2 +
ax +b is a perfect square are
Answer : Option C
Explaination / Solution:
