# Q1: Which one of the following statements is correct?

A Array elements can be of integer type only.
B The rank of an Array is the total number of elements it can contain.
C The length of an Array is the number of dimensions in the Array.
D The default value of numeric array elements is zero.
E The Array elements are guaranteed to be sorted.

A 1, 2
B 3, 4
C 1, 4, 5
D 2, 4, 5
E 2, 5

# Q3:Which of the following statements is correct about the array declaration given below? int[][][] intMyArr = new int[2][][];

A
intMyArr refers to a 2-D jagged array containing 2 rows.
B
intMyArr refers to a 2-D jagged array containing 3 rows.
C
intMyArr refers to a 3-D jagged array containing 2 2-D jagged arrays.
D
intMyArr refers to a 3-D jagged array containing three 2-D jagged arrays.
E
intMyArr refers to a 3-D jagged array containing 2 2-D rectangular arrays.

A 1, 2
B 2, 3, 4
C 2, 3, 5
D 4, 5
E None of these

# Q5: If a is an array of 5 integers then which of the following is the correct way to increase its size to 10 elements?

A
int[] a = new int[5];
int[] a = new int[10];
B
int[] a = new int[5];
a.Length = 10 ;
C
int[] a = new int[5];
a.Length = 10 ;
D
int[] a = new int[5];
a = new int[10];
E
int[] a = new int[5];
a.GetUpperBound(10);

A 1, 2
B 3, 4
C 3, 5
D 1, 5
E 4, 5

# Q7:Which of the following statements are correct about the C#.NET code snippet given below? int[][]intMyArr = new int[2][]; intMyArr[0] = new int[4]{6, 1, 4, 3}; intMyArr[1] = new int[3]{9, 2, 7};

A intMyArr is a reference to a 2-D jagged array.
B The two rows of the jagged array intMyArr are stored in adjacent memory locations.
C
intMyArr[0] refers to the zeroth 1-D array and intMyArr[1] refers to the first 1-D array.
D
intMyArr refers to intMyArr[0] and intMyArr[1].
E
intMyArr refers to intMyArr[1] and intMyArr[2].

# Q8:How will you complete the foreach loop in the C#.NET code snippet given below such that it correctly prints all elements of the array a? int[][]a = new int[2][]; a[0] = new int[4]{6, 1 ,4, 3}; a[1] = new int[3]{9, 2, 7}; foreach (int[ ] i in a) { /* Add loop here */ Console.Write(j + ' '); Console.WriteLine(); }

A foreach (int j = 1; j < a(0).GetUpperBound; j++)
B foreach (int j = 1; j < a.GetUpperBound (0); j++)
C foreach (int j in a.Length)
D foreach (int j in i)
E foreach (int j in a.Length -1)

# Q9:Which of the following statements is correct about the C#.NET code snippet given below? int[] intMyArr = {11, 3, 5, 9, 4};

A
intMyArr is a reference to an object of System.Array Class.
B
intMyArr is a reference to an object of a class that the compiler derives from System.Array Class.
C
intMyArr is a reference to an array of integers.
D
intMyArr is a reference to an object created on the stack.
E
intMyArr is a reference to the array created on the stack.

A 0 0 34 34
B 0 0 17 17
C 0 0 0 0
D 17 17 0 0
E 34 34 0 0

A 1, 2 , 3
B 1, 3
C 2, 3
D 2, 4, 5
E 4, 5

A 1, 2
B 1, 3, 5
C 3, 4
D 1, 2, 5
E 4, 5

A 1, 2
B 2, 3
C 2, 5
D 1, 4
E 3, 4

A 20
B 4
C 18
D 10
E 5

# Q15:Which of the following is the correct output of the C#.NET code snippet given below? int[][] a = new int[2][]; a[0] = new int[4]{6, 1, 4, 3}; a[1] = new int[3]{9, 2, 7}; Console.WriteLine(a[1].GetUpperBound(0));

A 3
B 4
C 7
D 9
E 2

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