If each term in the sum of a1+ a2...........+aN is either 7 or 77 and the sum eguals 350 , which of the following could be equal to N
a) 38
b)39
c) 40
d)41
e) 42
a) 38
b)39
c) 40
d)41
e) 42
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equivalent of eqn will besumatitandon wrote:If each term in the sum of a1+ a2...........+aN is either 7 or 77 and the sum eguals 350 , which of the following could be equal to N
a) 38
b)39
c) 40
d)41
e) 42
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