Exercise(answer)

Answer.

Question 1

(a) Variable Name =
      Float Pi = 3.14;
(b) double parameter;
(c) Declare
      Int data;
      Cout<<”insertdata=”; Cin>>data;
(d) cin>>num;

Question 2

(a) (5*2)%3+25/5
      (10%3)+25/5
       1+(25/5)
       1+5
        =6

(b)! ((5>3) && (5==3) II (6>9))
     [(( 0 ) && (0)] II(0))
     (0) (0)
     !(0) !(0)
     =1

Question 3

#Include<iostream.h>
Main ()
{
Float allwance=300.00,salary,Tsalary;
Salary;
Cout<<”Inputsalary=”; Cin>>salary;
Tsalaray=salary+allowance;
Cout<<”totalsalaryis=<<tsalary;
Return0;
}

Question 4

#include

main()

{

float dpayment, tpayment ;

cout<<"Enter your daily payment=";

cin>>dpayment;

tpayment=dpayment*22;

cout<<"Your salary="<<>

return 0;
}

Question 5

#include

Main()

{

Int num1, num2, num3, num4, num5, avg;

Cout<<”Enter number 1:”;

Cin>>num1;

Cout<<”Enter number 2:”; 

Cin>>num2;

Cout<<”Enter number 3:”; 

Cin>>num3;

Cout<<”Enter number 4:”; 

Cin>>num4;

Cout<<”Enter number 5:”; 

Cin>>num5;

avg= (num1+num2+num3+num4+num5)/5

Cout<<”Total average=”<<>

Return 0;

}

Question 6

Rectangular 

#include

Main()

{

Float height, width, area;

Cout<<”Enter your height=”;

Cin>>height;

Cout<<”Enter your width=”;

Cin>>width;

Area= h*w;

Cout<<”Total of area=”<<area;< em=""></area;<>

Return 0;
}

Triangle

#include

main()

{

float base, height, area;

cout<<"Enter triangle base=";

cin>>base;

cout<<"Enter triangle height=";

cin>>height;

area= base*height*0.5;

cout<<"Total area of triangle="<<>

return 0;

}

Circle

#include

main()

{

float radius ,pi=3.14, area;

cout<<"Enter radius of circle=";

cin>> radius;

area= radius*radius*pi ;

cout<<"Total area of circle="<<>

return 0;

}