There are some assistants and officers in an office, if 15 assistants leave then there are 3 officers for each assistant. After this again 51 officers go and there are 6 assistants for each officer, initially there were assistants.
Assistance denotes by A and officers denote by F. ATQ- 3(A-15) = F … (1) (A-15) = F/3 (A-15) = (F-51)6 F/3 = (F-51)6 F/18-F = -51 17F = 51×18 F = 54 Put the value of F in Equation (1) 2A -30 =54 2A =84 A = 42
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