Determinants-Quiz-3

 

Maths Aptitude Quiz

Dear Readers,

Important topics for Maths has been designed in such a way that it offers very practical and application-based learning to further make it easier for students to understand every concept or topic by correlating it with the day-to-day experiences.

Q1. 

 

•   ±1
•   ±2
•   ±3
•  ±5

Solution

Q2.

 

•  xyz
•  2xyz
•  3xyz
•  4xyz

Solution

Q3.  

•   Independent of m and n
•  Independent of a,b and c
•  Depend on m,n and a,b,c
•  Independent of m,n and a,b,c

Solution

Q4. 

 

•  f(α)+f(β)+f(γ)
•  f(α)f(β)+f(β)f(γ)+f(γ)f(α)
•  f(α)f(β)f(γ)
•  -f(α)f(β)f(γ)

Solution

(d)

Q5.

•  +ve
•  
•  -ve
•  0

Solution

 

Q6. 

 

•  0
•  1
• 2
•  3

Solution

Q7.If a,b,c are non-zero real numbers and if the equations (a-1)x=y+z,(b-1)y=z+x,(c-1)z=x+y have a non-trivial solution, then ab+bc+ca equals

•  a+b+c
•  abc
•  1
•  None of these

Solution

Q8.

 

•  (1,2)
•  (1,1)
•  (-2,1)
•  (1,0)

Solution

Q9.

•  Always positive
•  Always negative
•  Always zero
•  Cannot say anything

Solution

Q10. 

 

•  f'(x)=0 and f"(x)=0 has one common root
•  f(x)=0 and f'(x)=0 has one common root
•  Sum of roots of f(x)=0 is -3a
•  None of these

Solution