what is the value of 10 ^ 7 - 6 ^ 5 ?
"as 10 ^ n will always have last digit as 0 and 6 ^ n will always as last digit 6 . . hence difference of such sum should always be ending with 4 and there is only on option . . answer b"
divide(multiply(add(add(const_100, const_60), const_1), 10), const_100)