Class 12 Informatics Practices Practical Paper 3 solved

Class 12 Informatics Practices Practical Paper 3 is a crucial component of the CBSE Class 12 examination. It evaluates students’ practical knowledge of Python programming, SQL database operations, data handling, and problem-solving skills. Scoring well in this practical exam can significantly boost overall results.
This guide provides a complete, exam-oriented explanation of Practical Paper 3, including exam pattern, commonly asked questions, preparation strategies, tools used, and career relevance. It is designed to help students prepare confidently and efficiently.

QUESTION

Q – 1 Write a program in python to create the following dataframe named “country” storing the following details:

Considering the above dataframe answer the following question by writing appropriatecommand in python pandas:

  1. Display complete data for China and India.
  2. Display Country, Population and BirthRate of Brazil and Pakistan.
  3. Create a CSV File from the above data frame.
  4. Now plot a bar chart depicting the Country on x-axis and their corresponding Population on y-axis, with appropriate Graph title, x-axis title, y-axis title, gridlines an color etc.

MYSQL

Q – 2 Consider the table “Charity” and write SQL queries for the tasks that follow:

Table – Charity

i) Display the name of week day when socks purchased.
ii) Display remainder after dividing price by qty
iii) Display the discount amount by 10% in two decimal places.
iv) Display the records of items purchased in the month 11.
v) Display maximum qty purchased from the table.
vi) Display itemname, price and qty in the descending order of price
vii) Display item_id, itemname and position of s in each itemname.

Leave a Reply

Your email address will not be published. Required fields are marked *

sign up!

We’ll send you the hottest deals straight to your inbox so you’re always in on the best-kept software secrets.