NDA || Maths || Algebra || Matrices_and_Determinants_Quiz_2020

Attempt now to get your rank among 493 students!

Question 1

If A is a 2 × 3 matrix and AB is a 2 × 5 matrix, then B must be a

• A3 × 5 matrix
• B5 × 3 matrix
• C3 × 2 matrix
• D5 × 2 matrix

Question 2

The value of the determinant

for all values of θ, is

• A1
• Bcos θ
• Csin θ
• Dcos 2θ

Question 3

The value of the determinant

is equal to

• A
• B
• C
• D0

Question 4

If A is a square matrix of order 3 and det
A = 5, then what is equal to det|(2A)^-1 |?

• A1/10
• B2/5
• C8/5
• D1/40

Question 5

What is equal to?

• A
• B
• C
• D[ax+hy+gz  hx+by+fz  gx+fy+cz]

• 493 attempts
• 9 upvotes
• 7 comments