(i) The first event is ‘The sun rises in the east’. It is a sure event.
(ii) The second event is ‘A die numbered 1 to 6 showing a multiple of 10’. It is an impossible event.
(iii) The next event is ‘A day in February having 29 hours’. It is an impossible event.
(iv) The last event is ‘An even number leaving no remainder when divided by 2’. It is a sure event.