OBJECTIVE QUESTIONS

QUESTION:1 #include<iostream.h> #include<conio.h> main() { int x; for (x=1;x<=5;x++); cout<< x; getch(); }

QUESTION 2 #include<iostream.h> #include<conio.h> int main() { int x; for (x=1;x<=5;x++) cout<< x; cout<<++x; cout<< x++; getch();}

QUESTION :3 int fun(int a, int b) { if(a == 0) return 1; else if(b < a) return 0; else return fun(a-1, b-1) + fun(a-1, b); } main() int x = 3, y = 4; cout<< fun(x, y); getch();

QUESTION :4 #include<iostream.h> #include<conio.h> int main() { int *ptr1,**ptr2,***ptr3; int x; x=12; ptr1=&x; ptr2=&ptr1; ptr3=&ptr2; x=x+1; cout<<*ptr1<<**ptr2<<***ptr3; getch(); return 0; }

QUESTION:5 #include<iostream.h> #include<conio.h> main() { int i=1; if(i<5) cout<<i; i++; getch(); }

QUESTION 6: #include<conio.h> #include <iostream.h> enum xyz { a, b, c}; int main() { int x = a, y = b, z = c; int &p = x, &q = y, &r = z; p = z; p = ++q; q = ++p; z = ++q + p++; cout<< p << " " << q << " " << z; getch(); return 0; }

QUESTION:7 #include<iostream.h> #include<conio.h> int main() { int a[]={0,1,2,3,4,5,6,7,8,9,10}; int i=0,num; num=a[++i+a[++i]]+a[++i]; cout<<num; getch(); return 0; }

QUESTION:8 #include<iostream.h> #include<conio.h> union codeletter { int code; char letter; }c1; void printc1() cout<<"\n the code is:"<<c1.code; cout<<"\n the letter is:"<<c1.letter; } int main() c1.code=101; c1.letter='f'; printc1(); getch(); return 0;

QUESTION 9 #include<iostream.h> #include<conio.h> main() { void func(int,int=1,int=3,int=3); func(2,3); getch(); } void func(int x,int y,int z,int l) cout<<x+y+z+l;

QUESTION :10 #include<iostream.h> #include<conio.h> main() { int n=5, f=1; while(n>0) f*=n--; cout<<f; getch(); }

QUESTION :11 #include<iostream.h> #include<conio.h> void procedure(int,int,int); int main() { int x=10; procedure(x,x++,++x); getch(); return 0; } void procedure(int a,int b,int c) cout<<a<<"\t"<<b<<"\t"<<c;

QUESTION :12 #include<iostream.h> #include<conio.h> main() { int i=1; while(i<5) cout<<i; i++; getch(); }

QUESTION: 13 #include<iostream.h> #include<conio.h> main() { int i=100; for(int j=1; j<=4;j++) cout<<i<<j; getch(); }

QUESTION :14 #include<iostream.h> #include<conio.h> int test(int a,int b) { b+=5; a*=++b; return a; } int main() int x=5; x=test(x,x); cout<<x; getch(); return 0;}

QUESTION :15 #include<iostream.h> #include<conio.h> using namespace std; int main () { int firstvalue = 5, secondvalue = 15; int * p1, * p2; p1 = &firstvalue; p2 = &secondvalue; *p1 = 10; *p2=*p1; p2=p1; *p1=130; cout << "firstvalue is " << firstvalue<<endl; cout << "secondvalue is " << secondvalue << endl; cout<<*p1<<endl<<*p2; getch(); return 0; }

QUESTION 16 #include <iostream> #include<conio.h> using namespace std; int main () { int x=5,y; y=x++ + ++x +--x - x++; cout<<x<<y; getch(); return 0; }

QUESTION 17 #include<iostream.h> #include<conio.h> main() { int i=1; for(;i<5;i++); cout<<i++; getch(); }

QUESTION 18 #include<iostream.h> #include<conio.h> void print(int x); int main() { print(5); getch(); } void print(int x) if(x>0) print(--x); cout<<x;

QUESTION :19 #include<iostream.h> #include<conio.h> int main() { int a[4]={23,45,67,89,76}; int i; for(i=0;i<=4;i++) cout<<a[i]; getch(); }

QUESTION :20 #include<iostream.h> #include<conio.h> class x { private: int a,y; public: x() { a=12; y=2; } void show(x c) { cout<<c.a+c.y }}; int main() {x ob; ob.show(ob); getch(); }

QUESTION :21 #include<iostream.h> #include<conio.h> int main() { int a[5]={1,2,3,4,5}; cout<<*a++; getch(); }

QUESTION:22 #include<iostream.h> #include<conio.h> int main() { char a[]="hello"; char *p; p=a; cout<<*(++p); getch(); }

QUESTION :25 #include<iostream.h> #include<conio.h> class abc { public: float a;int x; abc() { cout<<"hello";} ~abc() {cout<<"destructor called"; } }; int main() { abc ob; cout<<sizeof(ob); getch();}

QUESTION:26 #include<iostream.h> #include<conio.h> class abc { public: int x,y; private: abc() { x=0; y=9; cout<<x<<y; } };int main() { abc ob; getch(); }

QUESTION :27 #include<iostream.h> #include<conio.h> int main() { int a[10],i,*p; for(i=0;i<=9;i++) cin>>a[i]; p=&a[0]; cout<<*(p+i+1); getch(); }

QUESTION :28 #include <iostream.h> #include<conio.h> void Values(int n1, int n2 = 10) { cout << "1st value: " << n1; cout << "2nd value: " << n2; } int main() { Values(1); Values(3, 4); getch(); return 0;

QUESTION :29 #include <iostream.h> #include<conio.h> int array1[] = {1200, 200, 2300, 1230, 1543}; int array2[] = {12, 14, 16, 18, 20}; int temp, result = 0; int main() { for (temp = 0; temp < 5; temp++) { result += array1[temp]; } for (temp = 0; temp < 4; temp++) { result += array2[temp]; cout << result; getch(); return 0;

QUESTION 30 #include <iostream.h> #include<conio.h> void func(int a, bool flag = true) { if (flag == true ) { cout << "Flag is true. a = " << a;}{ cout << "Flag is false. a = " << a; } } int main() func(2); cout<<"\n"; func(200, false); getch(); return 0; }