NTS NTS - National Testing Service Critical Thinking and Logical Reasoning 2

Question 1

If A > B and B > C, which statement must be true?

Accepted Answer

A > C

Answer

By the transitive property of inequality, if A > B and B > C, then A > C.

Question 2

If "FAST" is coded as "GBTU," how is "SLOW" coded?

Accepted Answer

TMPX

Answer

Each letter is shifted one position forward in the alphabet: S→T, L→M, O→P, W→X = TMPX.

Question 3

A man points to a photo and says, "Her mother is my mother's only daughter." Who is in the photo?

Accepted Answer

His niece

Answer

"My mother's only daughter" is the man's sister, so the person in the photo is the man's sister's daughter — his niece.

Question 4

If some A are B, which statement must also be true?

Accepted Answer

Some B are A.

Answer

"Some A are B" is logically equivalent to "Some B are A" — the partial overlap is reciprocal.

Question 5

Which argument form is logically valid?

Accepted Answer

If P then Q; P is true; therefore Q is true.

Answer

"If P then Q; P is true; therefore Q is true" is modus ponens, the fundamental valid deductive form.

NTS - National Testing Service Practice Test