A) 3
B) 7
C) 12
D) 23
Correct Answer: C
Solution :
Let the number of boys be\[x.\] Then, number of girls\[=2x.\] \[\therefore \] \[x+2x=60\]or\[3x=60\]or\[x=20.\] So, number of boys = 20 and number of girls = 40. Number of students behind Kamal in rank (60 ? 17) = 43. Number of girls ahead of Kamal in rank = 9. Number of girls behind Kamal in rank = (40 ? 9) = 31 Number of boys behind Kamal in rank = (43 ? 31) = 12.You need to login to perform this action.
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