Mensa Mensa IQ Deductive Reasoning Puzzles 3

Question 1

Four friends sit in a row. Ann is left of Bob. Carl is right of Bob. Dan is right of Carl. Who is on the far left?

Accepted Answer

Ann

Answer

The order is Ann, Bob, Carl, Dan, so Ann sits on the far left.

Question 2

All squares are rectangles. All rectangles are quadrilaterals. Which is necessarily true?

Accepted Answer

All squares are quadrilaterals

Answer

Squares are inside rectangles, which are inside quadrilaterals, so squares are quadrilaterals.

Question 3

If today is two days after Monday, what day is tomorrow?

Accepted Answer

Thursday

Answer

Two days after Monday is Wednesday, so tomorrow is Thursday.

Question 4

Some books are heavy. No heavy thing is portable. Which follows?

Accepted Answer

Some books are not portable

Answer

The heavy books cannot be portable, so some books are not portable.

Question 5

P is older than Q. R is younger than Q. S is older than P. Who is oldest?

Accepted Answer

S

Answer

S is older than P, who is older than Q and R, making S the oldest.

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