List of top Questions asked in CBSE CLASS XII- 2025

Under the Keynesian theory, ‘Reference Line’ is a straight line passing through the origin drawn at an angle of ..............
Read the following statements carefully :
Statement 1 : During deflationary gap, the Central Bank of a country may increase the repo rate.
Statement 2 : The government can reduce the deflationary gap by purchasing Government Securities (G-Sec) in the open market.
In the light of the given statements, choose the correct option from the following :
Market forces of demand and supply, actively interact under ........... exchange rate system to determine the foreign exchange rate. (Choose the correct option to fill in the blank)
Identify, which of the following does not represent a public good. (Choose the correct option)

Which of the following is a better data story? Give reasons.

 

How do good stories emerge?

Picking an Analytic Approach to solve a problem is based on the type of question. Explain the given statement with suitable examples.
Explain the following stage of every AI project life-cycle: Building the Model
Explain the following stage of every AI project life-cycle: Requirements Analysis
Explain, with an example, when to use MSE as the loss function.
What is a loss function? Write the two categories of loss functions.
List down the steps that can assist in finding compelling stories in the data sets.
Give any two examples of each of the following with respect to evaluation of AI development platforms:
(a) Open Languages
(b) Productivity Enhancing Capabilities
“Time series decomposition involves thinking of a series as a combination of level, trend, seasonality and noise components.” Define any two of these components.
Draw a diagram to represent foundational methodology for Data Science.
Write any two factors that make storytelling a powerful and integral part of indigenous culture.
What is Train-Test Split Evaluation? What are the two types of problems for which Train-Test Split Evaluation can be used?
Briefly explain the Cross Validation Procedure to validate a model.
Write any two ways to minimize waste and pollution in manufacturing plants and factories.
List any four qualities of a successful entrepreneur.
Write steps to print a presentation.
Explain the term: Personality Traits. Name any two parameters that describe a personality, based on Five Factor Model.
There are five stages of active listening. The first stage is ‘Receiving’. Write the names of the other four stages.
Which of the following analytical approach should be used to show relationships?
State True or False:
Human Biases in selecting test data can adversely impact the testing phase.