Maths

The sum of first four terms of a finite AP is 56. Sum of the last 4 terms is 112. If the first term is 11, find the number of terms in the A.P

Binaya Bajracharya's image
Binaya Bajracharya
Dec. 17, 2017, 9:03 a.m.

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Arihant Jain's image
Arihant Jain
Dec. 17, 2017, 12:34 p.m.

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