On 1st Jan 2016, Sanika decides to save Rs 10, Rs 11 on second day, Rs 12 on third day. If she decides to save like this, then on 31st Dec 2016 what would be her total saving?

On 1^st Jan 2016, Sanika decides to save ₹ 10, ₹ 11 on second day, ₹ 12 on third day. If she decides to save like this, then on 31^st Dec 2016 what would be her total saving?

Doubtly Asked 24 Oct 2026 Save WhatsApp Report

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Answer: ₹ 70455

2016 is a leap year, so there are 366 days. Savings form an A.P. with \(a = 10\), \(d = 1\), \(n = 366\).

\[S_{366} = \frac{366}{2}[2(10) + 365(1)]\]\[= 183 \times 385 = 70455\]

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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On 1st Jan 2016, Sanika decides to save Rs 10, Rs 11 on second day, Rs 12 on third day. If she decides to save like this, then on 31st Dec 2016 what would be her total saving?

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