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If Atul finds that he is twelfth from the right in a line of boys and forth from the left, how many boys should be added to the line such that there are 28 boys in the line ?

  • A.12             
  • B.13             
  • C.14              
  • D.20            

Answer: B

Correct answer: 13

Atul is 4th from the left and 12th from the right, so the line already holds \( 4 + 12 - 1 = 15 \) boys. To bring it to 28, \[ 28 - 15 = \mathbf{13} \] more must be added.

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