Yr kisse ne OBAMA wala question kra..work together wala...yr pls kya answer tha mujhe batoa......pls pls plsl psl pls pls

• obama constructs a building in 21 months while osama destroys it in 28 months..
  so in 2 months building constucted= 1/21 - 1/28 = 1/84
  so in 160 months building constucted = 80/84
  remaining= 4/84= 1/21
  so on the 161 day obama will construct the whole building
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• 161....y to easy tha
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• i know easy tha but yr maine na last min me guess kiya tha thats why maine iska answer (a) lgya tha is it correct 161 is at option (a) ha na????
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• shayad option (c) tha....161 ka
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• nhi bhai aisa mat keh yr ,, kisse ko pta hai ki kuansa option tha iska..yr 161 (a) pe tha yr...jha tak mujjhe yad..
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• @ajit yr ye option a tha na?
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• Ankit bhai obama wala question post kar do bhai
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• @ajit plz post the complete question if u remember
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