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Home » The sum of the first 7 terms of an AP is 182. If its 4th and 17th terms are in the ratio 1:5, find the AP.
The sum of the first 7 terms of an AP is 182. If its 4th and 17th terms are in the ratio 1:5, find the AP.
Arithmetic Progression | CBSE | Class 10 | Maths | RS Aggarwal
The sum of the first 7 terms of an AP is 182. If its 4th and 17th terms are in the ratio 1:5, find the AP.

Solution:

Suppose that a is the first term and d is the common difference, then we have:

i

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