Mr. Bipin S. Rupadiya

clear
echo "Enter Number : "
read no

count=0
total=0


if [ `expr $no % 2` -eq 0 ]
then
echo "NUMBER IS EVEN"
else
echo "NUMBER IS ODD"
fi

while [ $no -ne 0 ]
do
a=`expr $no % 10`
no=`expr $no / 10`
total=`expr $total + $a`
count=`expr $count + 1`
done


echo "Sum of All Digit : $total"
echo "Total No. of Digit : $count"

clear
echo "Enter String : \c"
read str

len=`echo $str|wc -c`
len=`expr $len - 1`

echo "length of String : "$len

i=1
while [ $i -le $len ]
do
revstr=`echo $str|cut -c$i`$revstr
i=`expr $i + 1`
done

if [ "$revstr" = "$str" ]
then
echo "Your string is palindrome"
else
echo "Your string is not palindrome"
fi

echo "Enter Number 1 : "
read a
echo "Enter Number 2 : "
read b

ans=`expr $a + $b`
echo "Addition : " $ans

ans=`expr $a - $b`
echo "Subtraction : " $ans

ans=`expr $a / $b`
echo "Division : " $ans

ans=`expr $a \* $b`
echo "Multiplication : " $ans