Questions

They both are used to replace characters in a string

The Boston Marathon

The intention of the interviewer by asking this question is to discover the pain points for the candidate.

Here this can be explained with an example like this :

The administrative assistant might seem like someone whose job is simply keeping everything filed and organized and scheduled. But they actually are the building block of the entire office, making everyone's lives function more smoothly and with good access to information when they need it.

Sometimes I have so many things crossing my desk at a given time that I can get a bit overwhelmed. When this happens I take a deep breath and focus on prioritizing the work. Then I get a clear head again and can dive back in.

The sodium fusion test, or Lassaigne's test, is used in elemental analysis for the qualitative determination of the presence of foreign elements, namely halogens, nitrogen, and sulphur, in an organic compound. It was developed by J. L. Lassaigne.Silver fluoride is soluble in water and does not precipitate and thus this method cannot be used for detection of fluorine.

Let initial investment of A = x
Ratio of profit A : B : C = 12 × x : 6×4500 :4×4500
A :B:C = x : 2250: 1500
Now ATQx/(x+2250+1500) = 4900/10000
solving this we get,x ≈ Rs 3600

It has been said that the creation of NASA was due to the space exploration race between the US and the Soviet Union. One of the drives to the creation of NASA is the launching of Sputnik on October 4, 1957.

Since then, further explorations have been made by the agency.