GMJ & Co. Interview Questions and Answers

WhiteHatJr has provided online coding classes to children during the pandemic, helping them learn new skills and stay engaged.

• WhiteHatJr's online coding classes have allowed children to continue learning and developing new skills from the safety of their homes

• The platform has helped children stay engaged and productive during lockdowns and school closures

• WhiteHatJr has also provided job opportunities for teachers and helped bridge the digital divide by providing access to tec...read more

Code to find Armstrong number

• An Armstrong number is a number that is equal to the sum of its own digits raised to the power of the number of digits

• Loop through each digit of the number and calculate the sum of each digit raised to the power of the number of digits

• Compare the sum with the original number to check if it is an Armstrong number

To change screen colour on button click using arrays of colour, use JavaScript and HTML.

• Create an array of colours

• Add a button element in HTML

• Add an event listener to the button

• Use JavaScript to change the background colour of the screen on button click

Python can be used to analyze COVID-19 outbreak data.

• Python libraries like Pandas, NumPy, and Matplotlib can be used for data analysis and visualization.

• Data can be obtained from sources like John Hopkins University and World Health Organization.

• Analysis can include tracking the spread of the virus, identifying hotspots, and predicting future trends.

• Machine learning algorithms can also be used for analysis and prediction.

• Results can be presented in the form of graphs, charts,...read more

Code to shuffle a given set of numbers randomly.

• Use a random number generator to generate a random index within the range of the array.

• Swap the element at the current index with the element at the randomly generated index.

• Repeat the above step for all elements in the array to shuffle the array randomly.