Three persorn A, B and C are standing in a queue. There are five person between A and B and eight persons between B and C. If there are three persons ahead of C and 21 behind A, then what could be the minimum number of persons in the queue ?

Options

A. 27
B. 28
C. 40
D. 41

Answer

B

Explanation

(i) `underset(21)harr Aunderset(5) harrB underset (8) harr V underset (3)harr`
`overset(21) harr`
(ii) `underset(3)harrC underset(2) harrA underset (6) harr B underset (16)harr`
`overset(8) harr`
Clearly for the minimum number of person we shall consider arrnagement (ii) In, number of persons in the queue `= (3 + 1 + 2 + 1 + 21) = 28.`