C-PROGRAMMING.....

1.Write a program in c to count the number of student having age less than 25 and weight less than 50 kg out of 5 by using do while loop.
Ans:-#include<stdio.h>
         #include<conio.h>
            void main()
            {
            int age,weight,count,i=1:
              clrscr():
        printf("plz input the data of student"):
        do
         {
       scanf("%d%d",&age,&weight):
       if(age<25&&weight<50){
        count=count++
         i++
        }
          while(i<=5)
         {
      printf("no. of students with age<25 and weight<50=%d\n", count):
       getch():
                 }