how many times in a day , the hands of a clock are shows opposite directions ?
"sol . in 12 hours , the hands coincide or are in opposite direction 11 times . â ˆ ´ in 24 hours , the hands coincide or are in opposite direction 22 times a day . ( between 5 and 7 they point in opposite directions at 6 o ' clock only ) answer e"
divide(subtract(multiply(const_2, multiply(const_2, const_12)), const_4), const_2)