Tus ranked 56th from the bottom and 51st from the top in his class. How many students are there in his class?
106
When one person's rank is counted from both ends, the total is found by adding the two ranks and subtracting 1, because the person is counted once from each end.
Total = (rank from top) + (rank from bottom) - 1.
Total = 51 + 56 - 1 = 106.
Hence, there are 106 students in the class.
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Important Questions from Ordering and Ranking
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A class has a total of 60 students. Student 'B' is at 41st rank in merit order from the bottom. What is the rank of student 'B' from the top?
A medical representative plans to visit each of six hospitals — A, B, C, D, E and F — exactly once during the course of one day. He is setting up his schedule for the day according to the following conditions:
i. He must visit A before B and E.
ii. He must visit B before D.
iii. The third hospital he visits must be C.
Which of the following could be the possible order in which the medical representative visits the six hospitals?Sonam is older than Renu. Komal is younger than Renu. Priya is older than Sonam. Who is the eldest of them?
