MCQs on Basic Mathematical Operations | MATLAB
Arithmetic Operations
- Which of the following is the result of 45 + 30?
- A) 65
- B) 75
- C) 55
- D) 80
- What is the difference between 89 and 56?
- A) 33
- B) 43
- C) 53
- D) 63
- Which of the following is the correct product of 12 and 8?
- A) 96
- B) 104
- C) 88
- D) 94
- What is the quotient of 100 divided by 25?
- A) 5
- B) 4
- C) 3
- D) 6
- If you subtract 15 from 80, what do you get?
- A) 65
- B) 70
- C) 60
- D) 55
Matrix Operations (Addition, Subtraction, Multiplication)
- What is the sum of two matrices with the dimensions 2×2 each?
- A) A 1×1 matrix
- B) A 2×2 matrix
- C) A 3×3 matrix
- D) A 2×3 matrix
- Which operation cannot be performed on matrices of different sizes?
- A) Matrix addition
- B) Matrix subtraction
- C) Matrix multiplication
- D) Element-wise multiplication
- If matrix A is a 2×3 matrix and matrix B is a 3×2 matrix, what is the product of A and B?
- A) A 3×3 matrix
- B) A 2×2 matrix
- C) A 2×3 matrix
- D) A 3×2 matrix
- What is the result of subtracting matrix B from matrix A if A = [[1,2], [3,4]] and B = [[5,6], [7,8]]?
- A) [[-4, -4], [-4, -4]]
- B) [[6, 8], [10, 12]]
- C) [[-4, -4], [-4, -4]]
- D) [[-4, -4], [-4, -4]]
- Matrix A is a 2×3 matrix, and matrix B is a 2×3 matrix. What will be the result of A + B?
- A) A 2×3 matrix
- B) A 3×2 matrix
- C) A 2×2 matrix
- D) Undefined operation
Element-wise Operations
- Which of the following operations is performed element-wise on two matrices?
- A) Matrix multiplication
- B) Element-wise addition
- C) Matrix addition
- D) Scalar multiplication
- If matrix A = [[2,3], [4,5]] and matrix B = [[1,1], [2,2]], what is the result of element-wise addition?
- A) [[3,4], [6,7]]
- B) [[1,1], [2,2]]
- C) [[4,5], [7,8]]
- D) [[3,2], [6,5]]
- In element-wise multiplication, which of the following is true?
- A) The matrices must be of the same size
- B) Matrices can be of different sizes
- C) Only scalar multiplication is allowed
- D) Only square matrices can be used
- What is the result of element-wise subtraction of two matrices A = [[1,2], [3,4]] and B = [[4,3], [2,1]]?
- A) [[3, 1], [1, 3]]
- B) [[-3, -1], [1, 3]]
- C) [[-3, -1], [1, 3]]
- D) [[3, 1], [1, 3]]
- What type of operation is element-wise division?
- A) Scalar operation
- B) Matrix operation
- C) Element-wise operation
- D) None of the above
Built-in Mathematical Functions
- Which of the following is a built-in function in Python to calculate the square root of a number?
- A) sqrt()
- B) square()
- C) power()
- D) root()
- What does the function
abs(-12)return?
- A) -12
- B) 12
- C) 0
- D) None of the above
- Which function returns the largest number in a list?
- A) max()
- B) min()
- C) sum()
- D) average()
- What is the output of
pow(3, 2)?
- A) 9
- B) 6
- C) 3
- D) 27
- Which built-in function is used to find the sine of an angle?
- A) sin()
- B) cosine()
- C) tan()
- D) angle()
Additional Questions
- If
A = 5andB = 3, what is the result ofA + B * 2using the order of operations?
- A) 16
- B) 11
- C) 13
- D) 8
- What is the result of
100 / 20 + 3?
- A) 10
- B) 13
- C) 7
- D) 6
- Which of the following represents a function to find the power of a number in Python?
- A) pow()
- B) sqrt()
- C) sin()
- D) log()
- What does the function
round(12.345, 1)return?
- A) 12.3
- B) 12.35
- C) 12
- D) 12.4
- Which of the following operations is done first according to the BODMAS rule?
- A) Division
- B) Multiplication
- C) Addition
- D) Parentheses
- What is the result of
5 * (3 + 2)?
- A) 25
- B) 15
- C) 5
- D) 10
- Which of the following is the result of
20 - (5 * 3)?
- A) 20
- B) 15
- C) 5
- D) 10
- What is the result of
sqrt(25)?
- A) 5
- B) 25
- C) 2
- D) 10
- Which function would you use to calculate the natural logarithm of a number in Python?
- A) log()
- B) ln()
- C) log10()
- D) exp()
- What is the result of
2 ** 3?
- A) 6
- B) 8
- C) 7
- D) 5
Answers
| Qno | Answer (Option with text) |
|---|---|
| 1 | B) 75 |
| 2 | B) 43 |
| 3 | A) 96 |
| 4 | A) 5 |
| 5 | A) 65 |
| 6 | B) A 2×2 matrix |
| 7 | A) Matrix addition |
| 8 | B) A 2×2 matrix |
| 9 | C) [[-4, -4], [-4, -4]] |
| 10 | A) A 2×3 matrix |
| 11 | B) Element-wise addition |
| 12 | A) [[3, 4], [6, 7]] |
| 13 | A) The matrices must be of the same size |
| 14 | B) [[-3, -1], [1, 3]] |
| 15 | C) Element-wise operation |
| 16 | A) sqrt() |
| 17 | B) 12 |
| 18 | A) max() |
| 19 | A) 9 |
| 20 | A) sin() |
| 21 | B) 11 |
| 22 | B) 13 |
| 23 | A) pow() |
| 24 | A) 12.3 |
| 25 | D) Parentheses |
| 26 | B) 15 |
| 27 | C) 5 |
| 28 | A) 5 |
| 29 | A) log() |
| 30 | B) 8 |