Test Index

MAT Exam 2022 Paper

Question Numbers: 50-52

DIRECTIONS (Qs. 50-52): Read the following information to answer these questions.

I. 'P

\psi

Q' means 'P is mother of Q'.

II. 'P

\in

Q' means 'P is sister of Q'.

III. 'P \$ Q' means 'P is father of Q'.

IV. 'P \# Q' means 'P is brother of Q'.

Question : 50 of 200

Marks: +1, -0

Which of the following means 'D is definitely daughter of A'?

Solution:

Concept:

A daughter must be a female child of the given person.

Explanation:

Check option B:

C \ \psi \ A \$ D \ \in \ B

•

C \ \psi \ A

means

C

is mother of

A

•

A \$ D

means

A

is father of

D

•

D \ \in \ B

means

D

is sister of

B

, so

D

is female.

Thus,

A

D

's father and

D

is female, so

D

is definitely daughter of

A

Answer:

Option B:

C \ \psi \ A \$ D \ \in \ B

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