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Home » A student’s rank improved from 15th to 8th in a class of 40. By how many ranks did he improve?

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A student’s rank improved from 15th to 8th in a class of 40. By how many ranks did he improve?

A. 5
B. 6
C. 7 ✅
D. 8

Explanation

  • Improvement in rank = Old rank - New rank
  • = 15 - 8 = 7 ranks