on 1st January 2018 Sanika decides to save rupees 10 rupees 11 on second day rupees 12 on third day she decide to say like this what would be her total savings at the end of the year what value is generated in our problem
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The money saved by Sanika at the end of the year is equal to Rs. 70080
Sanika saves money everyday in the form of a arithmetic progression-
10 , 11 , 12 , 13 --------- 374
The year 2018 is a leap year , so the number of terms in the arithmetic progression is equal to 365.
Money saved by sanika at the end of the year = 365/2(374+10)
= Rs. 70080
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