Pointing
Decode 'my father's only son' and photo introductions.
Pointing
Pointing and Introduction Problems
What you'll learn
- Decode phrases: my father's only son, my mother's only daughter.
- Handle photo pointing and introduction puzzles.
- Replace 'I' with yourself or the named person.
- Watch for only, only son, only daughter — limits choices.
Key concepts
Level 1 — Replace 'I' with the speaker
"I am Rahul's father" → Rahul's father = speaker.
Level 2 — Only son / only daughter
"My father's only son" → if speaker is male, could be himself; if female, brother.
Level 3 — Pointing at photo
"The man in the photo is my father's brother" → man = uncle to speaker.
Level 4 — Indian wedding photo puzzle
At Meera's cousin's wedding photo, she points to a lady: "She is my mother's only sister." Lady = aunt (masi/bua).
NCERT anchor: CBSE Class 4 logical reasoning — decode phrases like 'my father's only son'
Worked example
Pointing to a boy: 'He is my mother's only son.' Who is the boy if speaker is a girl?
Step 1 — Mother's only son = one brother.
Step 2 — Speaker is a girl → boy is not herself.
Step 3 — Boy = speaker's **brother**.
Answer: **Brother**
A man says: 'She is my wife's only daughter.' Who is she to him?
Step 1 — Wife's daughter = his **daughter** (step-daughter if from earlier marriage — assume biological here).
Answer: **Daughter**
Common mistakes
| Mistake | Why it happens | Fix |
|---|---|---|
| My father's son is always my brother | Speaker could be male → himself | If speaker is male, father's son could be himself |
| Only daughter means sister always | Could refer to self if speaker is female | Check if speaker is the only daughter |
| Ignoring 'only' keyword | Missing uniqueness clue | Only restricts to one person |
| Confusing wife's son with nephew | Direct child vs sibling's child | Wife's son to him = son |
Quick check
- My father's father is my ___?
- He is my mother's brother → he is my ___?
- If I am my father's only son, who am I to my sister?
- Stretch: 'My mother's mother's only son' — who is he to me? Work step by step.
Revision tip: Circle only, only son/daughter in every question before solving.
Open the Practice tab for graded questions on Pointing and Introduction Problems.
Key Takeaways (TL;DR)
- What you'll learn
- Key concepts
- Worked example
- Common mistakes
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