The number of the members of a club is more than 20 and less than 50. When 5 people sit at a table, other people exactly divided to 6-people groups (6 people sit at a table) or 7-people groups (7 people sit at a table). If the members are divided to 8-people groups, how many people will be left?  Choices:	A) 3	B) 4	C) 5	D) 6	E) 7

Rationale: the number of members is 7 k + 5 = 6 j + 5 the only number in this range which satisfies this is 47 . 47 / 8 = 5 ( 8 ) + 7 the answer is e .
Answer: E