Question

If the average of 7 consecutive odd numbers is 23,
what is the value of the greatest integer in this
series?

Answer 1

let the biggest integer be x

so next 6 consecutive odd no.s will be

×-2,×-4,×-6,×-8,×-10,×-12

as per the question.. ....

(×+(×-2)+(×-4)+(×-8)+(×-10)+(×-12))/ 7 = 23

7x-42 = 7*23

7x= 161 - 42

x= 203/7 = 29 .

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