In a class of 45 students, a boy is ranked 20^th. When two boys joined, his rank was dropped by one. What is his new rank from the end?
In a class of 45 students, a boy is ranked 20th. When two boys joined, his rank was dropped by one. What is his new rank from the end?
(a) 25th (b) 26th (c) 27th (d) 28th
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(c) Initial strength of class = 45
Now, new strength = 47
The boy’s rank is dropped by one Now, his rank becomes 21.
Total number of boys in class = Boy’s rank from starting + Boy’s rank from end – 1
∴ Boy’s rank from end = 47 – 21 + 1 = 27
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