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A tennis coach was trying to put together a team of 4 players for a tennis championship out of 7 players. R, S, T are the male players, and W, X, Y, Z are the female players. Note that all players have equal ability, and the team needs to have atleast 2 male players. While selecting the team we need to keep in mind that all 4 players should be able to play with each other. 

We also need to keep the following restrictions in mind:
                    - R cannot play with Y
                    - S cannot play with W
                    - T cannot play with Z

Which of the following are true:
                    
                    A: S and Z cannot be in the team together.
                    B: T and Y cannot be in the team together.
                    C: T and X cannot be in the team together.

In a new code language called Adira, 
                    
                    - '4A, 2B, 9C' means 'truth is eternal'
                    - '9C, 2B, 8G, 3F' means 'hatred is not eternal'
                    - '4A, 5T, 3F, 1X' means 'truth does not change'
                    
                    What is the code for 'hatred' in Adira?

The CEO of Snipr. Inc wants to grow monthly gross profit by 4%. If costs stay the same, what does the sales turnover need to be in February to achieve this goal?

Emma's cafe has been operating successfully for the last 6 years. Profits have been growing every year, with this year (2020) being their best year so far. As a thank you, Emma treated her staff to a meal at a Michelin star restaurant. 

Below are 3 statements about Emma, her staff and her cafe. Can you help us decide whether the 3 statements are "True", "Probably True", "Insufficient Data to Say True or False", "Probably False", or "False".
                    
                    1. Emma's staff members are happy.
                    2. Emma's cafe did well in 2016.
                    3. Emma is rich.
                    
                    A: True
                    B: False
                    C: Probably True
                    D: Probably False
                    E: Insufficient Data

Which of the following figures do you think would complete the pattern shown below?

Your company recently opened a second office overseas. Some of the people from the original office will be relocating. All the people hired in the last six months will continue working in the original location where they were hired. Which of the following statements can be true regarding employees relocating?

What will the following code output?

A: 24 after 5 seconds and after another 5 seconds, another 24
                    B: 24 followed by another 24 immediately
                    C: 24 immediately and another 24 after 5 seconds
                    D: After 5 seconds, 24 and 24
                    E: Undefined
                    F: NaN
                    G: None of these

What does the following Java code output?

Review the following React code:

Pick the correct statements:
                    
                    A: The code renders 10 INDIAN RUPEE
                    B: The code renders 10 SINGAPORE DOLLAR
                    C: The code does not render anything and throws an error since JavaScript objects are not valid as React children
                    D: When the currency portion is clicked, the parent component is re-rendered
                    E: When the currency portion is clicked, parent component will skip the re-render because shouldComponentUpdate returns false
                    F: Parent component can be converted to a functional component with memoization (useMemo or memo) to avoid the re-render

One of your friends, Zi Pong created a new app for their startup. They use Amazon S3 exclusively as a data store. The app works perfectly fine. When one of their users raises the frequency at which the app needs to refresh data, they file a bug. The issue is that sometimes they get outdated data when accessing objects in S3. The app logic is correct. What do you think the issue could be?

A: App is reading objects from Amazon S3 using parallel object requests.
                    B: App is updating records by writing new objects with unique keys.
                    C: App is reading parts of objects from Amazon S3 using a range header.
                    D: App is updating records by overwriting existing objects with the same keys.

A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. 
                    
                    The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor.
                    
                    The input is an array of "strings" which needs to be converted from string to integer/number inside the function.

Review the following table in Power BI:

Here’s the visualisation generated when Book and ReadingChallenges columns are added to a table visualisation:

Why do we see only 4 rows?