A attends seminar in afternoon at last among his friends. Y conducts seminar in morning and pre-noon on Monday and Thursday respectively. Z is first among his friends to conduct seminar in afternoon 
Y does not attend seminar in afternoon on Tuesday. (so, Y must attend seminar in afternoon on Wednesday) and only place left for conduct seminar is evening, he must attend seminar in evening on Tuesday. 
We can see that Y and Z have attended seminar in Morning and afternoon respectively. C has attended seminar in evening on Wednesday (So, only possibility is A attending seminar in evening on Monday) and therefore, C must attend seminar in pre noon (left over place) on Monday. Therefore, we can clearly see that only Z has not attended seminar in evening yet. Therefore, Z will attend seminar in evening on Thursday. And C will attend the seminar in morning (only possible place) on Thursday. 
Which distribution is often used to model the time between events in a Poisson process, such as the time between customer arrivals at a store?
Which network layer protocol is responsible for multicasting, where a packet is sent to multiple destinations simultaneously?
Which cryptographic system uses two different keys for encryption and decryption?
Which isolation level allows transactions to read uncommitted changes made by other transactions?
Which SQL statement is used to delete data from a database table?
Which programming language is used to add interactivity and dynamic content to websites?
Which type of routing algorithm considers factors such as link cost and bandwidth to find the best path for data packets?
A shift register is an example of a sequential circuit used for:
Which component of an ER diagram represents an attribute?
Store data in single table
