Answer Posted / madhu

#include <stdio.h>

main()
{
int number;
int setbit=1; //Lets start checking from first bit
int numBitSet=0; //Number of bits set in the number
printf("enter the number");
scanf("%d", &number);

while(setbit>0)
{

if(number&setbit) //bit wise and
numBitSet++;

setbit=setbit<<1;
}
printf("%d",numBitSet);
}
full program of the first ans...

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