List of top Questions asked in CBSE Class X

In the given figure, CM and RN are respectively the medians of $\Delta ABC$ and $\Delta PQR$. If $\Delta ABC \sim \Delta PQR$, then prove that : (i) $\Delta AMC \sim \Delta PNR$, (ii) $\Delta CMB \sim \Delta RNQ$.
The marks obtained by 80 students of class X in a mock test of Mathematics are given below in the table. Find median and the mode of the data :
Compare CSV, Spreadsheets, and SQL as data storage formats. Which one is best for handling massive, interrelated datasets?
Define and explain the following types of Biases: Recall Bias, Survivor Bias
Explain the four steps of the Statistical Problem-Solving Process in detail.
What is Data Merging? Mention one scenario where it is required.
Explain the concept of the Central Limit Theorem and its significance in data analysis.
Why is the Median considered a more robust measure of central tendency than the Mean when outliers are present?
Differentiate between Structured and Unstructured data with one example each.
State whether Selection Bias occurs during data collection or during model deployment.
Define Encryption in the context of data security.
In a dataset, if the mean is significantly higher than the median, what does it indicate about the distribution?
Name the type of join used to combine rows from two tables based on a related column between them.
Identify the process of dividing a dataset into 100 equal parts.
Which Python library is primarily used for Data Manipulation and Data Frames?
What is the role of a Moisturizer ?
What is used as a finishing agent for cleansing ?
What is the process of removal of impurities accumulated in the skin pores known as ?
Which of the following is a consequence of unsustainable practices that harm ecosystem and biodiversity ?
Which function of an entrepreneur involves to create a new method, idea or product ?
Which type of files are typically removed during a routine cleanup to optimize computer performance ?
Which of the following is NOT a stress management technique ?
Why is the ability to work independently important in the work place ?
The receiver's acknowledgement and response to the message is called ________________ in communication.
Draw the graph of the pair of linear equations $x - y + 2 = 0$ and $4x - y - 4 = 0$. Calculate the area of the triangle formed by the lines so drawn and the $x$-axis.