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.
The central idea revolves around that question. Is 16 too young to drive a car? It presents evidence, facts, and arguments to make the point of either 16 isn't too young or 16 is too young.<span />
True, though the opinion is wrong, being directly opposed by the fact that each year has 12 months on the western calendar.
Characterization is the use of literary techniques to reveal the nature of a character