List of practice Questions

Which key component in Data Storytelling specifically addresses the need to “clarify the sources of the data, methods used for analysis, and any limitations or biases”?
The primary purpose of Prescriptive Analytics is to:
A bank’s fraud detection team analyses thousands of daily transactions to identify suspicious activities. This process of finding unusual or abnormal trends within a dataset is associated with:
A wildlife research organization is building a computer vision system to monitor animal movements in forests. They install cameras to capture images and analyze them. The organization is currently working on which stage of the computer vision process?
A healthcare analytics firm gathers patient information from a large number of hospitals, laboratories, and wearable devices. Before analyzing this Big Data, the company ensures the consistency, accuracy, quality, and trustworthiness of the data to produce reliable insights and reports. Which Big Data characteristic is illustrated in this scenario?
In context of Neural Networks, the process in which input data flows through the layers, activations are computed, and the predicted output is compared to the actual target is specifically known as _ _ _ _ _ _ _ _ _ _ _ _ _ .
A retail company notices a sudden decline in online sales during the last quarter. The data analytics team decides to investigate the underlying causes of this drop. They begin examining customer behaviour patterns, website traffic, and product return rates to identify factors contributing to the decline. Which type of data analytics is the team primarily using?
When a computer processes an image, it perceives it as a collection of tiny squares. What are these tiny squares called?
A social media analyst is working with a large collection of audio files, images, and video files to study user engagement and content trends on digital platforms. Which type of Big Data is the analyst dealing with?
Which component of a neural network decides whether a neuron should be activated or not based on the input it receives?
What is the primary objective of Generative AI?
Which of the following is NOT related to positive attitude?
“No baile é pressão. Mina linda, perigosa.” Identify the musical genre to which this line belongs.
_ _ _ _ _ _ _ _ _ _ _ _ _ are like new pages, which are added to separate different topics in a presentation.
Which of the following is NOT a characteristic of entrepreneurship?
Write the expanded form of FIGs.
A statement which conveys the exact message that you are trying to convey to the other person is called _ _ _ _ _ _ _ _ _ _ _ _ _ statement.
If \( S_1 \) is closed and \( S_2 \) open, \( \theta \) is 30° and if \( S_1 \) is open and \( S_2 \) closed then \( \theta \) is 60°. Then find \( 3L_2 - L_1 \), if \( C = 100 \mu F \).
Position of a particle is given by \( x = A \sin \left( 50t + \frac{\pi}{3} \right) \). If speed and acceleration become 0 for the first time at \( t_1 \) and \( t_2 \) sec respectively, then find \( t_1 \) and \( t_2 \) (in sec):
At any instant, if \( \vec{B} = -2 \times 10^{-7} \hat{j} \, \text{T} \) and \( \vec{C} \) is along the +x axis, then \( \vec{E} \) at this instant is:
If foot of the perpendicular from a point \( P(a,b,0) \) on the line \( \dfrac{x-1}{2}=\dfrac{y-2}{1}=\dfrac{z-\alpha}{3} \) is \( A \) and mid-point of \( AP \) is \( \left(0,\dfrac{3}{4},-\dfrac{1}{4}\right) \), then the value of \( \left(a^2+b^2+\alpha^2\right) \) is -
A hollow cylinder of radius 1m is rotating with angular velocity \( \omega = 10 \) rad/sec. Find minimum coefficient of friction \( \mu \) so that the block remains at rest w.r.t. the cylinder.
An air bubble of radius 1 mm is rising up with constant speed of 0.5 cm/s in a liquid of density \( \rho_{\text{liq}} = 2000 \, \text{kg/m}^3 \). Find the coefficient of viscosity \( \eta \) in poise.
Work function for an object is 2.3 eV. If maximum kinetic energy of ejected electrons is 0.18 eV, find wavelength \( \lambda \) of incident photon on object.
Find \( \frac{BE}{A} \) of \( {}^{83}\text{Bi}^{209} \).
Given: \( M_{\text{Bi}} = 208.9804 \, \text{amu}, \, m_p = 1.007276 \, \text{amu}, \, m_n = 1.008665 \, \text{amu}, \, 1 \, \text{amu} = 931 \, \text{MeV} \)