In a survey of 1000 customers, the number of people who used various types of tea leaves were found to be as follows.
A type only 150, A and C type 90
A type but not B 210, C type 360
A type 240, B and C type 100
(i) How many buy "C" type only
(ii) How many buy A and B types
(iii) Number of people buying B and C type but not A type ?
(iV) How many buy "B" type only ?
Please solve the problem and show the steps