how many times in a day , are the hands of a clock in straight line but opposite in direction ?
b 22 the hands of a clock point in opposite directions ( in the same straight line ) 11 times in every 12 hours . ( because between 5 and 7 they point in opposite directions at 6 o ' clcok only ) . so , in a day , the hands point in the opposite directions 22 times .
divide(subtract(multiply(const_2, multiply(const_2, const_12)), const_4), const_2)