SOLUTION:
A NEW OG 2021 QUESTION
In the first week, the amount saved = 1$
Money saved by the end of 2 weeks = 1$ + 2$
Money saved by the end of 3 weeks = 1$ +2$ + 3$
..In the same pattern, the money saved by the end of 50th week
= 1$ + 2$ +3$ +......50$
= (50* 51)/2 (The sum of 1+2+3+4+..n= n(n+1)/2 )
= 1275$
Total money saved by him in his account
= 800$ (saved previously) + 1275$
= 2075$ (OPTION D)
Sam has $800 in his account. He will deposit $1 in his account one week from now, $2 two weeks from now, and each week thereafter he will deposit an amount that is $1 greater than the amount that he deposited one week before. If there are n Print
Modified on: Tue, 12 Oct, 2021 at 12:15 PM
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