Questions and answers for exam Preparation

MCQs

Total Questions : 40 | Page 3 of 4 pages

Question 21.

Which of the following statement is correct?

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Answer: Option A. -> The order of the default argument will be right to left.

Question 22.

What will be the output of the following program?

#include
long BixFunction(int x, int y = 5, float z = 5)
{
return(++x * ++y + (int)++z);
}
int main()
{
cout

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Answer: Option A. -> 237

Question 23.

What will be the output of the following program?

#include
int BixFunction(int a, int b = 3, int c = 3)
{
cout

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Answer: Option C. -> -6

Question 24.

What will be the output of the following program?

#include
void MyFunction(int a, int b = 40)
{
cout

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Answer: Option B. -> a = 20 b = 30

Question 25.

Which of the following function / types of function cannot have default parameters?

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Answer: Option B. -> main()

Question 26.

Which of the following statement is correct?

Overloaded functions can accept same number of arguments.
Overloaded functions always return value of same data type.
Overloaded functions can accept only same number and same type of arguments.
Overloaded functions can accept only different number and different type of arguments.

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Answer: Option A. -> Overloaded functions can accept same number of arguments.

Question 27.

Which of the following statement is correct?

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Answer: Option D. -> C++ does not allow the redefinition of a default parameter.

Question 28.

Which of the following statement is incorrect?

A default argument is checked for type at the time of declaration and evaluated at the time of call.
We can provide a default value to a particular argument in the middle of an argument list.
We cannot provide a default value to a particular argument in the middle of an argument list.
Default arguments are useful in situations where some arguments always have the same value.

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Answer: Option B. -> We can provide a default value to a particular argument in the middle of an argument list.

Question 29.

Where the default value of parameter have to be specified?