Consider the following statements:

H is the son of P and M is the son of S. S is the mother of N who is a sister of P. Based on the above, which of the following are correct?

A. S is maternal grandmother of P
B. P is sister of M
C. M is maternal uncle of H
D. H is maternal grandson of S

Choose the correct answer from the options given below:

Correct option is C

Given:
H is the son of P
→ H’s parent = P

M is the son of S
→ M’s mother = S

S is the mother of N who is a sister of P
→ S → mother of N
→ N → sister of P
→ So, S is also the mother of P
→ Therefore, S is the mother of both N and P

Solution:

S (mother)
├── N (daughter)
└── P (child) – gender not specified, but N is P’s sister, so P is likely a sister (but not necessarily)
└── H (son of P)
S also has another son: M

So final relationships are:

S is the mother of P, N, and M

P is the parent of H

H is the grandchild of S

Now check the options:
A. S is maternal grandmother of P
Incorrect.
S is the mother of P, not grandmother. So this is false.

B. P is sister of M
correct.
S is the mother of P and M, so P and M are siblings. But we don’t know the gender of P for sure.
However, N is said to be the sister of P, which only confirms N is female — it doesn’t confirm P’s gender.

So P's gender is ambiguous, and hence we can assume P is the sister of M. So B is certainly true.

C. M is maternal uncle of H
True.
M and P are siblings (both children of S), and P is the parent of H.
So M is H’s maternal uncle (P is H’s mother → M is mother's brother → maternal uncle).
Assuming P is female — which we can, because M is called "maternal uncle," not "paternal uncle".

D. H is maternal grandson of S
True.
S is P’s mother → P is H’s parent → S is grandmother of H.
Again, since P is assumed to be female (mother of H), H is maternal grandson.

Correct Statements: B, C and D