CBSE Class 11 - Informatics Practices - Python Basics - Numpy Arrays (Part-1) - Question and Answers (#CBSEclass11Python)(#cbse)(#eduvictors)

Python Basics - Numpy Arrays 

(Part-1) - Question and Answers

CBSE Class 11 - Informatics Practices

Q1: What is NumPy?

Answer: 

1. NumPy stands for Numerical Python.

2. It is the core library for scientific computing in Python.

3. A NumPy array (also called ndarray) is a homogeneous multidimensional array of data objects.

4. A NumPy array is a table of elements (usually numbers), all of the same type, indexed by a tuple of positive integers.

5. Numpy module provides a set of methods and tools for working with these arrays.

6. In Numpy dimensions are called axes. The number of axes is rank.

Q2: What is the command line option to install NumPy module?

Answer: Run the following command at the command prompt. 

pip install numpy

Q3: What is one dimensional (1D) array?

Answer: A one-dimensional array or 1D array is a named group of a contiguous set of elements having the same data type. 1D arrays are also called vectors.

Q4: What is a multi-dimensional array?

Answer: A multidimensional array is an array of arrays. Multi-dimensional arrays are also known as matrices. For example, a two-dimensional array (2D array) has two axes i.e. rows and columns.

Class 10 - Economics - Development (Q & A ) Part-2 (#class10Economics)(#cbse)(#eduvictors)

Class 10 - Economics - Development (Q & A ) Part-2

Economic development refers to a sustained increase in the income of the people of a region that promotes economic welfare by reducing poverty of inequalities of income and wealth.

Based on CBSE syllabus for Class 10, The part-2 video covers questions and answers based on NCERT chapter of Economics - Development. 

Following questions are covered:

Question 1: Question: Why do different persons have different notions of development?
Which of the following explanations is more important and why?
(a) Because people are different.
(b) Because the life situations of persons are different.

Question 2: Do the following statements mean the same? Justify your answer.
 (a) People have different developmental goals. 
 (b) People have conflicting developmental
      goals.

Question 3: What do you mean by infant mortality rate?

Question 4: What do you mean by Literacy rate?

CBSE Class 10 - Maths - Very Short Answer Based Questions (Solved Worksheet-1) (#eduvictors)(#cbseClass10Maths)

CBSE Class 10 - Maths - Very Short Answer Based Questions 

(Solved Worksheet-1) 

Q1: What is the maximum no. of factors of a prime number?

Q2: What is the L.C.M of x and y if y is a multiple of x?

Q3: Find the zeroes of the polynomial x²-1.

Q4: For what value of ‘k’ the pair of equations x-ky+4=0 and 2x-4y-8=0 is inconsistent?

Q5: Determine k, so that the equation x²-4x+k=0 has no real roots.

CBSE Class 10 - Science - MCQs (#cbseClass10Science)(#eduvictors)

Science - MCQs 

CBSE Class 10 

Q1: Optical density of a medium depends on

      (a) Density of the medium
      (b) Thickness of the medium
      (c) Velocity of light in that medium
      (d) None of these

Q2: Which of the following is not a physical change?

      (a) Boiling of water to give water vapour
      (b) Melting of ice to give water
      (c) Dissolution of salt in water
      (d) Combustion of Liquefied Petroleum Gas (LPG)


Q3: Which of the following is correct about chromosomes?

      (a) It is composed of DNA and lipids.
      (b) It is composed of DNA and proteins.
      (c) It is composed of DNA only.
      (d) It is composed of RNA and proteins.

Happy Republic Day 2020 (#eduvictors)

Happy Republic Day 2020

दिल से निकलेगी न मर कर भी वतन की उल्फ़त

मेरी मिट्टी से भी ख़ुशबू-ए-वफ़ा आएगी

- लाल चन्द फ़लक

CBSE Class 7 - Science - Acids, Bases and Salts (Worksheet) (#eduvictors)(#cbseClass7Science)

Acids, Bases and Salts (Worksheet)CBSE Class 7 - Science 

Direction: Fill in the blanks in the following sentences.

1. _______ are substances having a sour taste.


2. Substances that are bitter in taste and soapy to touch are _______ in nature.


3. Chemicals that are used to check acidic or basic nature of substances are called __________.


4. Acids turn ______ litmus to _____ .


5. Turmeric paste and China rose are also _________ indicators. Turmeric paste remains yellow in acidic solutions but turns to ________ in basic solutions.

How Do I manage my time while solving CBSE Class 10 Mathematics Question Paper (2019-2020)? (#eduvictors)(#cbseClass10Maths)

How Do I manage my time while solving CBSE Class 10 Mathematics Question Paper (2019-2020)? 

CBSE consistently believes in continuous improvement and Global trends of Instructive Change. It implies that the Board continually examines its processes and curriculum to evolve and find

resonance amongst the educational fraternity.

In this unique situation, CBSE has yet proposed a renovated assessment structure for the year 2019-2020 and remodelled question paper structure for class 10 and 12.

Solving a maths paper has always been a challenge for students. It is a frequent complaint by students that the maths paper was very long. Time management is critical for solving the question paper.

Divide the 3 hours with the end goal that you mentally distribute a specific time to each Section

in advance and can reexamine every one of the appropriate responses. So you can complete the paper inside a  reasonable time limit. With contribution from the specialists in this field, we have grouped a reasonable  breakdown of time that ought to be spent on each segment: