On which day G has celebrated her

Solution

STEP I: A has a Birthday on the day which starts from the same letter as the day on which F has a Birthday starts from the letter. F birthday does not starts with S. As per this statement, there are two possible cases and the arrangement will look like this: Case-1 Case-2 STEPII:  Only one person has a birthday between F and D. As per this statement,the arrangement will look like this: STEP III: G has a Birthday immediately before C who has her Birthday neither on Wednesday nor on Friday. As per this statement, the arrangement will look like this: STEP IV: Less than two persons has birthday between the birthday of G and the Birthday of E. As per this statement, CASE I will get eliminated and we will continue with CASE II and the arrangement will look like this: STEP V: B has neither a birthday immediately after the birthday of F nor has a birthday on Friday. As per this statement, the final arrangement will look like this: