A) 3
B) 7
C) 12
D) 23
Correct Answer: C
Solution :
Clearly there are 20 boys and 40 girls. Number of students behind Kamal in rank \[=6017=43\] Number of girls ahead of Kamal in rank = 9. \[\therefore \] Number of girls behind Kamal in rank \[=409=31.\] \[\therefore \] Number of boys behind Kamal in rank \[=4331=12.\]
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