a person pays a loan of Rs. 3900 in monthly installments each in installment being less than the former by Rs. 20 ,the amount of first is Rs.400 in how many installment will entire amount be paid ? give

Movac asked May 15, 2022

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34 votes

Movac asked May 15, 2022

by Movac

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16 votes

Answer:

15 installments

Explanation:

3900 = Σ
$\left \ {{x=n} \atop {x=1}} \right.$ 400 - 20*(n - 1)

Azox answered May 21, 2022

by Azox

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