📅 Date: 2026-03-02
Statistics kya hai?
Data ka study
Data kya hota hai?
Information
Mean ka formula kya hai?
Sum / total observations
Median kya hota hai?
Middle value
Mode kya hota hai?
Most frequent value
Ungrouped data kya hota hai?
Raw data
Grouped data kya hota hai?
Class-wise data
Class interval kya hota hai?
Range
Frequency kya hoti hai?
Repetition
Histogram kya hota hai?
Bar graph
Bar graph kya hota hai?
Rectangular bars
Statistics ka use kahan hota hai?
Economics
Mean ka symbol
x̄
Median position ka formula
(n+1)/2
Mode ka symbol
Mo
Statistics real life me use hoti hai?
Haan
Weather forecast me statistics use hoti hai?
Haan
Survey kya hota hai?
Data collection
Sample kya hota hai?
Part of population
Population kya hoti hai?
Total data
Environment kya hai?
Surroundings
Biotic factors kya hote hain?
Living
Abiotic factors kya hote hain?
Non-living
Ecosystem kya hai?
Interaction system
Food chain kya hai?
Energy flow
Producer kaun hota hai?
Green plants
Consumer kaun hota hai?
Animals
Decomposer kaun hota hai?
Bacteria
Natural resources example
Water
Renewable resource example
Wind
Non-renewable resource example
Petroleum
Pollution kya hai?
Contamination
Air pollution ka cause
Smoke
Water pollution ka cause
Waste
Global warming kya hai?
Earth temperature rise
Greenhouse gases example
CO2
Ozone layer ka kaam
UV protection
Deforestation kya hai?
Cutting trees
Conservation ka matlab
Protection
Sustainable development
Balanced growth
Revision ka matlab kya hai?
Punaravlokan
Nibandh kya hota hai?
Vichar vyakti
Patra kya hota hai?
Sandesh
Anuchhed kya hota hai?
Paragraph
Samas kya hota hai?
Shabd ka mel
Sandhi kya hoti hai?
Shabd jod
Alankar kya hota hai?
Sajawat
Ras kitne hote hain?
9
Shant ras ka example
Shanti
Veer ras ka example
Bahaduri
Shringar ras ka example
Prem
Kavya kya hota hai?
Poetry
Kavi ka kaam
Kavita likhna
Chhand kya hota hai?
Matra pattern
Doha kisne likhe?
Kabir
Kahani kya hoti hai?
Story
Natak kya hota hai?
Drama
Upanyas kya hota hai?
Novel
Aalochana kya hoti hai?
Criticism
Sahitya ka mahatva
Sanskar
What is revision?
Review
What is a paragraph?
Group of sentences
What is an essay?
Long composition
Formal letter example
Application
Informal letter example
Personal letter
Story writing means
Narrative
Comprehension means
Understanding
Active voice example
She writes
Passive voice example
A letter is written
Direct speech example
He said, 'I am ready'
Indirect speech example
He said that he was ready
Synonym of happy
Joyful
Antonym of hot
Cold
Prefix example
Un-
Suffix example
-ness
Punctuation example
Comma
Question mark use
Asking question
Exclamation mark use
Emotion
Reading skill improves
Vocabulary
Writing skill improves
Expression
Citizen kaun hota hai?
Country ka member
Rights kya hote hain?
Privileges
Duties kya hoti hain?
Responsibilities
Right to education age
6–14 years
Fundamental rights kitne hain?
6
Fundamental duties kitni hain?
11
Secularism kya hai?
No state religion
Equality ka matlab
Equal treatment
Justice kya hai?
Fairness
Liberty kya hai?
Freedom
Fraternity kya hai?
Brotherhood
Economy kya hoti hai?
Money system
GDP kya hota hai?
Total production
Inflation kya hota hai?
Price rise
Unemployment kya hota hai?
No job
Poverty kya hoti hai?
Lack of income
Development indicator example
Income
Literacy rate kya hai?
Education level
Urbanisation kya hai?
City growth
Globalisation kya hai?
World connection