# Class 11 & 12 Maths - Probability - Part 1 (Solved Questions)

Let us revisit the basic terminology used in probability.

Q1: Define probability. What can the probability never predict?

Answer: Probability gives us a measure of the likelihood that something will happen. However, probability can never predict the number of times that an occurrence actually happens.

Q2: Define experiment.

Answer: An action or operation resulting in two or more well-defined outcomes.

e.g. tossing a coin, throwing a die, drawing a card from a pack of well-shuffled playing cards etc.

# Class 11 - Informatics Practices - Emerging Trends (Worksheet)

Fill in the blanks with a suitable word from the list given below.

AI, Augmented reality, Big Data, Blockchain, Cloud computing, Data Analytics, IoT, Machine Learning(ML), Natural Language Processing (NLP), Robotics, Sensors, Virtual Reality (VR)

1. ________ endeavours to simulate the natural intelligence of human beings into machines thus making them intelligent.

2. This field of AI comprises algorithms that use data to learn on their own and make predictions. We are talking about ______________.

# National Mathematics Day

India celebrates National Mathematics Day on December 22 every year. The day marks the birth anniversary of famous mathematician Srinivasa Ramanujan.

*Typo in the graphic new = knew

# CBSE Class 8 Science - Combustion and Flame - Worksheet-2

Fill in the blanks with suitable words.

1. ________ gas in air is essential for combustion.

2. A chemical process in which a substance reacts with oxygen to give off heat is called __________.

3. During the process of combustion, _______ and light are given out.

# CBSE Class 11 - Mathematics - Limits and Derivatives Part-5

In the previous blog post Limits and derivatives Part-4, we learned about the  trigonometric limits. Let us solve other problems related to Limits

# CBSE Class 9 English - Chapter: Packing (Q & A)

Q1: Name the novel from where the extract is taken from?

Answer: Three Men in a Boat

Q2: Who is the author of the Novel?

Q3: Justify the title of the chapter 'Packing'.

Answer: “Packing” is an appropriate title for this extract from the novel ‘Three Men in a Boat’. It forms one of the chapters of the novel. The three men are – Jerome, George and Harris. They have to go on a pleasure boat journey and have to pack for it. All three of them think they are ‘past masters’ in the art of packing, but all they end up creating is an utter mess. They blame each other for being poor at packing and each boasts of his packing acumen. Thus, the extract is all about packing and, therefore, the title is appropriate.

## Wednesday, 15 December 2021

### Class 10 English: Madam Rides The Bus (Questions and Answers) #class10English #cbseTerm2 #eduvictors

Q1: Justify the title  ‘Madam Rides the Bus’.

Answer: The title is justified as Valli fulfils her dream of enjoying a ride on a bus. She is called ‘madam’ by the conductor as the self-respecting girl wants to be treated as an adult and has paid equally like others. She gets annoyed when any other person gives advice to her about her safety or stops her from standing in her seat. She also refuses to accept any favour from the conductor.

Q2: What is the theme of the chapter  ‘Madam Rides the Bus’?

Answer: Through Valli, the author has depicted the curious nature of children and how they want their curiosity and desire to be satisfied. Valli dreams of taking a ride on the bus. Her eagerness to fulfil her desire makes her plan the bus ride meticulously and gain first-hand experience of a bus ride.

# CBSE Class 10 Maths - Quadratic Equations - Nature of Roots (Solved Problems)

We know that A polynomial p(x) = ax² + bx + c of degree 2 is called a quadratic polynomial, then p(x) = 0 is known as quadratic equation.

There are three methods to find the solution of a quadratic equation:

1. Factorisation method

2. Method of completing the square

What is a Discriminant of Quadratic Equation ax² + bc + c = 0 ?

## Thursday, 9 December 2021

### Class 6 - Social Science - Our Pasts I - Chapter – 9 Traders, Kings and Pilgrims (Questions and Answers) #class6History #eduvictors #History

Class 6 - Social Science - History - Our Pasts - 1

Q1: What is the silk route? Why did kings want to control the silk route?

Answer: Some people from China went to distant lands on foot, horseback and on camels, carrying silk with them. The paths they followed came to be known as the silk route.

Kings tried to control the silk route because:

a) They could be benefitted from taxes and tributes.

c) They protected the traders who passed through their kingdoms from attack by robbers.

Q2: For what South India was famous for?

# CH9: The Making of the National Movement: 1870s-1947 (Worksheet)

### CBSE Class 8 - Social Science - History

Fill in the blanks with suitable words.

1. __________, a retired British official, played an important role by bringing Indians from different regions together. He founded Indian National Congress (INC) in 1885.

2. In 1905, __________ partitioned Bengal stating that it would help in the administrative convenience.

3. The struggle against the partition of the Bengal came to be known as ________

movement.