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(1): No. of children (C) = No. of adults (A) + 264

 

0.5C = A + 73

(2): C = 2A + 146

 

Given (1) and (2),

A + 264 = 2A + 146

A = 118

Hence, C = 118 + 264 = 382

 

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Adults

1 unit

 

Children

1 unit

73

1 unit

73

 

 

1 unit = 264 – 73 – 73

           = 118

 

Children → 2 units + 73 + 73

                 = (2 x 118) + 73 + 73

                 = 236 + 73 + 73

                 = 382 (Ans)

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