Matrices MCQ Test

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Matrices MCQ Test

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1. If the order of matrix A is m x p and order of matrix B is p x n. Then order of the matrix AB is

2 points

n x p

m x n

n x m

p x m

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2 points

1 x 1

4 x 4

2 x 2

3 x 3

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3. Two matrices A and B are multiplied to get AB if

2 points

both have same order.

both are rectangular.

number of columns in matrix A is equal to number of rows in matrix B.

number of rows in matrix A is equal to number of columns in matrix B.

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4. Two matrices A and B are added if

2 points

both have same order.

both are rectangular.

number of columns in matrix A is equal to number of rows in matrix B.

number of rows in matrix A is equal to number of columns in matrix B.

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2 points

Option 1

Option 2

Option 3

Option 4

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2 points

x = 2, y = 7

x = 7, y = 2

x = 3, y = 6

x = – 2, y = 7

Option 4

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2 points

Option 1

Option 2

Option 3

Option 4

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8. Find the values of x and y if:

2 points

x = -2 , y = 1

x = 2 , y = 1

x = 2 , y = -1

x = -2 , y = -1

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2 points

x = 2 , y = -8

x = -8 , y = 2

x = 4 , y = -7

x = -7 , y = 4

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10.

2 points

x = -3 , y = -7

x = 10 , y = 4

x = 3 , y = -10

x = 8 , y = -7

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