Revision Test - Mistakes

Three statements are given followed by three conclusions numbered I, II and III. You have to take these statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions logically follows from the given statements.
Statements:
All biscuits are candy.
All candies are chocolates.
All chocolates are snacks.

Conclusions:
(I) All chocolates are biscuits.
(II) Some snacks are candy.
(III) All snacks are chocolates.

Pointing towards a man, Joshua said, "He is the father of my father's brother's wife's son's sister." How is that man related to Joshua?

In a certain code language, 'CHILD' is written as 'YTSPX' and 'ADULT' is written as 'AXGPH'. How will 'YOUNG' be written in that language?

In a certain code language, 'KITCHEN' is written as 'OQFWRUL' and 'COOKER' is written as 'WKKOUH'. How will 'CUTTER' be written in that language?

Four different positions of the same dice are shown. Select the number that will be on the face opposite to the one having '5'.