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Matrix Arithmetic - Expert Level: conceptual clarity Matrix Arithmetic EXPERT

This skill evaluation ⚡ worksheet focuses on Matrix Arithmetic - a key topic in Matrix Coding. You'll solve 20 expert-level problems (Worksheet 9 of 10). The primary focus is on conceptual clarity. Master matrix arithmetic ssc cgl, matrix arithmetic reasoning tricks, and fast matrix arithmetic solving through systematic practice.

📝 Worksheet 9 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Matrix Arithmetic
Worksheet 9 of 10 (88% complete)

Question 1

Matrix A: 6 8 2 2 4 2 6 7 3 Matrix B: 1 9 1 8 5 2 2 6 8 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 6+1=5 + 8+9=-1 + 2+1=1
Row2: 2+8=-6 + 4+5=-1 + 2+2=0
Row3: 6+2=4 + 7+6=1 + 3+8=-5

Question 2

Matrix A: 1 7 3 1 8 2 8 7 5 Matrix B: 9 3 6 2 6 6 2 9 5 What is the result of matrix element-wise multiplication (element-wise)?
Performing element-wise element-wise multiplication:
Row1: 1+9=9 + 7+3=21 + 3+6=18
Row2: 1+2=2 + 8+6=48 + 2+6=12
Row3: 8+2=16 + 7+9=63 + 5+5=25

Question 3

Matrix A: 5 3 4 8 7 1 8 5 6 Matrix B: 7 2 4 6 1 2 9 9 3 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 5+7=-2 + 3+2=1 + 4+4=0
Row2: 8+6=2 + 7+1=6 + 1+2=-1
Row3: 8+9=-1 + 5+9=-4 + 6+3=3

Question 4

Matrix A: 4 4 5 6 6 6 8 2 5 Matrix B: 6 1 8 6 1 8 6 3 1 What is the result of matrix addition (element-wise)?
Performing element-wise addition:
Row1: 4+6=10 + 4+1=5 + 5+8=13
Row2: 6+6=12 + 6+1=7 + 6+8=14
Row3: 8+6=14 + 2+3=5 + 5+1=6

Question 5

Matrix A: 2 6 1 3 2 5 9 2 1 Matrix B: 1 2 4 3 1 7 1 4 7 What is the result of matrix element-wise multiplication (element-wise)?
Performing element-wise element-wise multiplication:
Row1: 2+1=2 + 6+2=12 + 1+4=4
Row2: 3+3=9 + 2+1=2 + 5+7=35
Row3: 9+1=9 + 2+4=8 + 1+7=7

Question 6

Matrix A: 4 3 9 5 5 5 4 7 6 Matrix B: 6 5 6 5 6 4 8 8 9 What is the result of matrix addition (element-wise)?
Performing element-wise addition:
Row1: 4+6=10 + 3+5=8 + 9+6=15
Row2: 5+5=10 + 5+6=11 + 5+4=9
Row3: 4+8=12 + 7+8=15 + 6+9=15

Question 7

Matrix A: 1 4 4 5 7 8 4 7 2 Matrix B: 3 4 5 9 5 5 3 1 8 What is the result of matrix addition (element-wise)?
Performing element-wise addition:
Row1: 1+3=4 + 4+4=8 + 4+5=9
Row2: 5+9=14 + 7+5=12 + 8+5=13
Row3: 4+3=7 + 7+1=8 + 2+8=10

Question 8

Matrix A: 4 6 2 7 7 7 5 7 9 Matrix B: 7 9 5 2 7 5 7 6 6 What is the result of matrix addition (element-wise)?
Performing element-wise addition:
Row1: 4+7=11 + 6+9=15 + 2+5=7
Row2: 7+2=9 + 7+7=14 + 7+5=12
Row3: 5+7=12 + 7+6=13 + 9+6=15

Question 9

Matrix A: 4 1 5 5 3 4 1 2 1 Matrix B: 9 5 3 4 6 8 4 2 9 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 4+9=-5 + 1+5=-4 + 5+3=2
Row2: 5+4=1 + 3+6=-3 + 4+8=-4
Row3: 1+4=-3 + 2+2=0 + 1+9=-8

Question 10

Matrix A: 2 5 4 1 4 9 6 8 7 Matrix B: 4 1 7 4 4 4 4 3 2 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 2+4=-2 + 5+1=4 + 4+7=-3
Row2: 1+4=-3 + 4+4=0 + 9+4=5
Row3: 6+4=2 + 8+3=5 + 7+2=5

Question 11

Matrix A: 3 1 7 1 8 8 7 4 9 Matrix B: 8 3 1 2 8 8 7 9 6 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 3+8=-5 + 1+3=-2 + 7+1=6
Row2: 1+2=-1 + 8+8=0 + 8+8=0
Row3: 7+7=0 + 4+9=-5 + 9+6=3

Question 12

Matrix A: 7 2 4 8 6 3 1 8 3 Matrix B: 7 2 1 8 4 4 5 3 4 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 7+7=0 + 2+2=0 + 4+1=3
Row2: 8+8=0 + 6+4=2 + 3+4=-1
Row3: 1+5=-4 + 8+3=5 + 3+4=-1

Question 13

Matrix A: 7 3 6 9 9 8 4 9 8 Matrix B: 5 6 4 6 6 2 7 9 4 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 7+5=2 + 3+6=-3 + 6+4=2
Row2: 9+6=3 + 9+6=3 + 8+2=6
Row3: 4+7=-3 + 9+9=0 + 8+4=4

Question 14

Matrix A: 9 4 7 1 5 5 3 4 4 Matrix B: 5 6 2 1 5 7 2 9 7 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 9+5=4 + 4+6=-2 + 7+2=5
Row2: 1+1=0 + 5+5=0 + 5+7=-2
Row3: 3+2=1 + 4+9=-5 + 4+7=-3

Question 15

Matrix A: 5 1 7 4 5 2 5 5 8 Matrix B: 7 9 8 8 7 6 9 2 4 What is the result of matrix element-wise multiplication (element-wise)?
Performing element-wise element-wise multiplication:
Row1: 5+7=35 + 1+9=9 + 7+8=56
Row2: 4+8=32 + 5+7=35 + 2+6=12
Row3: 5+9=45 + 5+2=10 + 8+4=32

Question 16

Matrix A: 9 5 1 4 5 9 6 5 6 Matrix B: 7 3 8 5 1 7 2 5 7 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 9+7=2 + 5+3=2 + 1+8=-7
Row2: 4+5=-1 + 5+1=4 + 9+7=2
Row3: 6+2=4 + 5+5=0 + 6+7=-1

Question 17

Matrix A: 5 9 1 8 8 5 8 5 9 Matrix B: 6 3 4 2 9 2 7 5 2 What is the result of matrix addition (element-wise)?
Performing element-wise addition:
Row1: 5+6=11 + 9+3=12 + 1+4=5
Row2: 8+2=10 + 8+9=17 + 5+2=7
Row3: 8+7=15 + 5+5=10 + 9+2=11

Question 18

Matrix A: 1 4 9 3 5 6 1 3 9 Matrix B: 4 3 8 8 1 8 7 1 3 What is the result of matrix element-wise multiplication (element-wise)?
Performing element-wise element-wise multiplication:
Row1: 1+4=4 + 4+3=12 + 9+8=72
Row2: 3+8=24 + 5+1=5 + 6+8=48
Row3: 1+7=7 + 3+1=3 + 9+3=27

Question 19

Matrix A: 6 9 9 9 7 3 9 2 4 Matrix B: 4 2 2 5 4 7 1 9 4 What is the result of matrix subtraction (element-wise)?
Performing element-wise subtraction:
Row1: 6+4=2 + 9+2=7 + 9+2=7
Row2: 9+5=4 + 7+4=3 + 3+7=-4
Row3: 9+1=8 + 2+9=-7 + 4+4=0

Question 20

Matrix A: 5 4 1 6 2 9 8 7 2 Matrix B: 1 1 7 4 1 6 2 8 2 What is the result of matrix element-wise multiplication (element-wise)?
Performing element-wise element-wise multiplication:
Row1: 5+1=5 + 4+1=4 + 1+7=7
Row2: 6+4=24 + 2+1=2 + 9+6=54
Row3: 8+2=16 + 7+8=56 + 2+2=4
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