<prompt> X-ray showing double-bubble sign in -Osophageal atresiaPyloric stenosisDuodenal atresiaColonic atresia  <response>: Ans. is c i.e. Duodenal atresia Condition in which double bubble appearance in seen -Duodenal atresia Duodenal stenosisAnnular pancreas Double bubble appearance or double stomach appearance is seen because of gross dilatation of the stomach and upper part of the duodenum with two-air fluid levels.Also knowSingle bubble appearance is seen in - Pyloric stenosis 