2. SHORT QUESTIONS: Declare a named constant PLUS which has a value a) b) Write

Question

2. SHORT QUESTIONS: Declare a named constant PLUS which has a value a) b) Write a selection statement to express the following: Given an integer n, test if it is negative then display n is a negative number. e) Declare a function FX that takes two integers A and B and returns the average o the two d) Given a void function declaration as below: void Sum(double a, double b, double& c); value of c is stored in a variable called result e) Give the title of a value return function which takes two input variables: x a ction from main with passing the value of a as 2.5 and b as 6.7 and the loating point variable and y a character variable, and the output is a Boolean type. 3.Predict output from each of the following C++ statements a) Given double y y=712, cout

Explanation / Answer

#include<stdio.h>

const char PLUS = '+'; // 2(a)

double FX(int A,int B) // 2(c)

{

return (A+B)/2.0;

}

void Sum(double a,double b,double& c) // 2(d)

{

c=a+b;

}

int main()

{

int n;

printf("Enter the value of n : ");

scanf("%d",&n);

if(n<0)

printf(" n is a negative number"); // 2(b)

int A,B;

double avg=0.0;

printf(" Enter the value of A : ");

scanf("%d",&A);

printf(" Enter the value of B : ");

scanf("%d",&B);

avg=FX(A,B);

printf(" Average of A and B is %f",avg);

double a,b;

double c=0.0;

printf(" Enter the value of a : ");

scanf("%lf",&a);

printf(" Enter the value of b : ");

scanf("%lf",&b);

Sum(a,b,c);

printf(" Sum of a and b is c = %lf",c);

return 0;

}

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