Discussion

Gaurav ranks eighteenth from the top in a class. What is his rank from the last?

Statements:

1. There are 47 students in the class.

2. Jatin who ranks 10th in the same class, ranks 38th from the last.

Answer: C

From 1, we conclude that in a class of 47 students, Gaurav ranks 18th from the top and hence 30th from the last.

From 2, we conclude that there are 9 students above and 37 students below Jatin in rank. Thus, there are (9 + 1 + 37) = 47 students in the class.

So, Gaurav who ranks 18th from the top, is 30th from the last.

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