The answer is A or Extrinsic
Dialogue, since it is 2-way and cooperative.
Explanation:
The score of Sachin in consecutive five innings at 80, 90 ,100, 100 and M respectively.
The average of the five innings is 100.
We need to find the value of M.
Average = sum of observations/total no of observations
Sum of observations = 80+90+100+100+M
= 370 + M
Total no. of observations = 5
Put all the values,

So, he scored 130 in his last innings.
He scored (130-80 = 50) more in his last innings as compared to the first inning scored.
Answer:
Yes, I do agree. Because as humans we are quick to judge before we get to know someone. For example, people tend to think all white people are racist and all black people are dumb, but that is certainly not the case. Not all white people treat black people like slaves and not all black people didn't grow up in the hood living off the government. The saying, "Don't judge a book by it's cover," relates so much to this. Like Dr.Eberhardt said, our brains are hard wired for racial bias. Because humans aren't perfect, and yes sometimes we do judge a book by it's cover and yes we see it's true colors once we start reading.
Explanation: