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Trắc nghiệm Ngôn Ngữ Lập Trình C++ - Bài 55

1-	Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { public: void Bix(int x = 15) { x = x/2; if(x > 0) Bix(); else cout<< x % 2; } }; int main() { IndiaBix objIB; objIB.Bix(); return 0; }
	A -	The program will display 2.
	B -	The program will display 15.
	C -	The program will go into an infinite loop.
	D -	The program will report error on compilation.
2-	Which of the following statement is correct about the program given below? #include<iostream.h> long GetNumber(long int Number) { return --Number; } float GetNumber(int Number) { return ++Number; } int main() { int x = 20; int y = 30; cout<< GetNumber(x) << " "; cout<< GetNumber(y) ; return 0; }
	A -	The program will print the output 19 31.
	B -	The program will print the output 20 30.
	C -	The program will print the output 21 31.
	D -	The program will print the output 21 29.
3-	What will be the output of the following program? #include<iostream.h> struct MyData { public: int Addition(int a, int b = 10) { return (a *= b + 2); } float Addition(int a, float b); }; int main() { MyData data; cout<<data.Addition(1)<<" "; cout<<data.Addition(3, 4); return 0; }
	A -	12 12
	B -	12 18
	C -	18 12
	D -	Compilation fails.
4-	Which of the following statement is correct about the program given below? #include<iostream.h> int BixTest(int x, int y); int BixTest(int x, int y, int z = 5); int main() { cout<< BixTest(2, 4) << endl; return 0; } int BixTest(int x, int y) { return x * y; } int BixTest(int x, int y, int z = 5) { return x * y * z; }
	A -	The program will print the output 5.
	B -	The program will print the output 8.
	C -	The program will print the output 40.
	D -	The program will report compile time error.
5-	What will be the output of the following program? #include<iostream.h> class IndiabixSample { public: int a; float b; void BixFunction(int a, float b, float c = 100.0f) { cout<< a % 20 + c * --b; } }; int main() { IndiabixSample objBix; objBix.BixFunction(20, 2.000000f, 5.0f); return 0; }
	A -	5
	B -	100
	C -	-5
	D -	None of these
6-	Which of the following statement is correct about the program given below? #include<iostream.h> void Tester(int xx, int yy = 5); class IndiaBix { int x; int y; public: void Tester(int xx, int yy = 5) { x = xx; y = yy; cout<< ++x % --y; } }; int main() { IndiaBix objBix; objBix.Tester(5, 5); return 0; }
	A -	The program will print the output 0.
	B -	The program will print the output 1.
	C -	The program will print the output 2.
	D -	The program will print the output garbage value.
7-	Which of the following statement is correct about the program given below? #include<iostream.h> class PowerFinder { public: void Power(int x = 1, int y = 1) { int P = 1, i = 1; while(++i <= y) { P *= x; } cout<< P << endl; } }; int main() { PowerFinder FP; FP.Power(2, 6); return 0; }
	A -	The program will print the output 12.
	B -	The program will print the output 16.
	C -	The program will print the output 32.
	D -	The program will print the output 36.
8-	Which of the following statement is correct about the program given below? #include<iostream.h> void Tester(float xx, float yy = 5.0); class IndiaBix { float x; float y; public: void Tester(float xx, float yy = 5.0) { x = xx; y = yy; cout<< ++x % --y; } }; int main() { IndiaBix objBix; objBix.Tester(5.0, 5.0); return 0; }
	A -	The program will print the output 1.
	B -	The program will print the output 2.
	C -	The program will print the output garbage value.
	D -	The program will report compile time error.
9-	Which of the following statement is correct about the program given below? #include<iostream.h> const double BixConstant(const int, const int = 0); int main() { const int c = 2 ; cout<< BixConstant(c, 10)<< " "; cout<< BixConstant(c, 20)<< endl; return 0; } const double BixConstant(const int x, const int y) { return( (y + (y * x) * x % y) * 0.2); }
	A -	The program will print the output 2 4.
	B -	The program will print the output 20 40.
	C -	The program will print the output 10 20.
	D -	The program will print the output 20 4.50.
10-	Which of the following statement is correct about the program given below? #include<iostream.h> struct MyStructure { class MyClass { public: void Display(int x, float y = 97.50, char ch = 'a') { cout<< x << " " << y << " " << ch; } }Cls; }Struc; int main() { Struc.Cls.Display(12, 'b'); return 0; }
	A -	The program will print the output 12 97.50 b.
	B -	The program will print the output 12 97.50 a.
	C -	The program will print the output 12 98 a.
	D -	The program will print the output 12 Garbage b.

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