In a class of 49 students, if X is at 21st place from one end, what is his position from the other end

• 29th position
• 7 years agoHelpfull: Yes(15) No(1)
• 49-21+1
  x from one end is equal to n-x+1 from other
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• let x be in 21st position from fast
  therefore x has 20 students above him
  49-20=29
  therefore x is at 29th position from the other end
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• 49-21=28
  28+1=29
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• counting from 49 to 21 answer is 28
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• 49-20=29
  therefore 29 th position
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• 29th position..
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• 29th position
• 7 years agoHelpfull: Yes(1) No(0)
• 49-20=29 position
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• Answer is 28 because if from one side the person is sitting in the 21st place then from the other end hs position will be=40-21=28
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• 28 because 49-21=28
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• 29
  49-20=29
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• These type of questions asked in IAS PRELIMS.Answer is 49-21+1=29
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• 29 th position
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• 30th posotion
• 7 years agoHelpfull: Yes(0) No(13)
• counting from last that is 49 upto 21 there are 29 numbers .
  so the answer is 29.
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• 49-21+1=29
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• 29th position from other end
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• 29th psition
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• 29th position
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• (total +1) - given position
  (49+1)-21=29
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• 29th because (49-21)+1=29
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• x is at 29th position from the other end
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• 28 because 21st is in 1st position total 49 so 49_21 answer is 28
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• position from other end =n1-n2+1
  =49-21+1=29
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• answer is 49-21+1=29th position
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• Total=L+R-1
  So, R=T+1-L=29
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• ans:29th position
• 6 years agoHelpfull: Yes(0) No(0)
• 29th position
• 6 years agoHelpfull: Yes(0) No(0)
• 49-21=28
  28+1= 29
  Hense he is 29th position from starting..
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• 29th position
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