Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
Some teas are coffees.
All coffees are waters.
All teas are colas.
Conclusions:
I. Some colas are waters.
II. Some coffees are colas.
III. Some waters are teas.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. All the conclusions follow.
The least possible venn diagram is:

Conclusions:
I. Some colas are waters. → Follow (As all coffees are waters and some teas are coffees and all teas are colas, so definitely some colas are waters.)
II. Some coffees are colas. → Follow (As some teas are coffees and all teas are colas, so definitely some coffees are colas.)
III. Some waters are teas. → Follow (As some teas are coffees and all coffees are waters., so definitely some waters are teas.)