Two Students "A " & "B" go to a book shop to buy a dictionary of worth 45$. They both buy one one dictionary. They handedover the total sum of 90$ to the shopkeeper.Then the two students went out of the shop. The shop keeper then realize to give them a concession of 5$ as they were students. So he called his salesman and gave him 5$ to give to the students . The salesman cheated and kept 2$ in his pocket and gave 3$'s to the students. The students divided the returned money equally (1.5$ each). Now the amount of each dictionary which a single student paid is [ 45 - 1.5 = 43.5$ ] where 1.5 is the amount returned back to each student. Similarly the other student also paid 43.5$. Now the total = 43.5 + 43.5 = 87.0$ and the 2$'s which the salesman put in his pocket , now the total becomes 87.0 + 2.0 = 89.0$'s now the total is finished but where is the 1 $ ????

and

Three persons "A" , "B" & "C" go to a hotel to have a lunch.The bill was 30$ each person gave 10$'s. the total became 30$. they gave it to the manager. The manager returned 5$'s to them. the three persons gave 2$'s to the waiter and divided the remaining 3$'s equally [i.e 1$ each person]. Since each person got 1$ back so the total became 9 + 9 + 9 = 27 (as each gave 9$'s) now when we add 2$'s which they gave to the waiter , the totals becomes 27 + 2 = 29$'s , but where is the 1 $ ????

and

Three persons "A" , "B" & "C" go to a hotel to have a lunch.The bill was 30$ each person gave 10$'s. the total became 30$. they gave it to the manager. The manager returned 5$'s to them. the three persons gave 2$'s to the waiter and divided the remaining 3$'s equally [i.e 1$ each person]. Since each person got 1$ back so the total became 9 + 9 + 9 = 27 (as each gave 9$'s) now when we add 2$'s which they gave to the waiter , the totals becomes 27 + 2 = 29$'s , but where is the 1 $ ????

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