how many two - digit numbers yield a remainder of 2 when divided by both 5 and 16 ?
"easier to start with numbers that are of the form 16 p + 2 - - - > 18,34 , 50,66 , 82,96 . out of these , there is only one number ( 82 ) is also of the form 5 q + 2 . thus 1 is the answer . b is the correct answer ."
subtract(add(2, multiply(16, 5)), multiply(16, 5))