students going to a form three class are allowed to choose one or two of the subjects physic ,music and geography . none of them is allowed to take all the three subjects 24 students did not take any of the 3 subjects given that 6 students took only physics , 8 took only geography and 4 took only music , 7 students took 2 of the 3 subjects . a total of 14 students took geography and 9 took music 1>find the total number of students who took physics 2>find the number of students going to form 3 3>represent using veen diagram