1. (25 points) Answer the following questions.
   1. (15 pts) The program given below uses a switch-case statement.

Re-write the program converting the switch-case statement into an if-else statement.

#include

void main(){

int num;

scanf(%d,&num);

switch(num){

case 1:

num = num + 5;

break;

case 2:

case 4:

num = num * 2;

break;

case -1:

num = 0;

break;

default:

num = -1;

}

printf(The result is %d ,num);

}

2. (10 points) (WHO) The age health scale of the world health organization is given below.

0 - 17 adolescents.(ergen)

18 - 65 teen.(gen)

66 79 middle aged.(ortayal)

80 - 99 old. (yal)

The age of a person is entered on the keyboard. Write main routine which does given procedure.