In a group of tourists, member's ages are in A.P. with common difference of 3 months. If youngest member is 7 years old and sum of ages of all members is 250 years then how many members are there in the club?

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In a group of tourists, member's ages are in A.P. with common difference of 3 months. If youngest member is 7 years old and sum of ages of all members is 250 years then how many members are there in the club?






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