Combination of r Things from n Things When All Are Not Different
Raman is 7 ...
Question
Raman is 7 ranks ahead of Suman in a class of 39. If Suman's rank is seventeenth from the last. Then what is Raman's rank from the start?
A
14th
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B
15th
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C
16th
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D
17th
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Solution
The correct option is B16th Suman is 17th from the last and Raman is 7 ranks ahead of Suman. So Raman is 24th from the last. ∴ Raman's rank from the start is 39+1−24 i.e., 16th