Questions

A dashboard that provides summaries of different metrics for all of your clients’ accounts.

There are many isotopes of uranium and all of them have same atomic number i.e, sum of nmber of neutrons and protons.

At least one black can be chosen in two ways from each box:
Now, probability of choosing at least one black ball from first box 

= 1/2 × [ (2C1× 2C1)/4C2 + 2C2/ 4C2 ]= 5/12

Probability of choosing at least one black ball from 2nd box
= 1/2 × [(4C1×12C1)/16C2 + 4C2/ 16C2] = 9/40

Final probability

= 5/12 + 9/40 = (50 + 27)/120 = 77/120

The interviewer asks the queries to interviewee to know the interest of an individual. This is because if an individual has more interest in a particular part, then there will be more chances of getting a job in an area of interest and specialization. The employer wants to know you're serious about pursuing a career in fashion. Companies spend a lot of time and money training employees, so before they make that investment, they want to make sure you're not just applying for a job in the industry on a whim.