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1 year ago

7

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 reason

1 answer:

musickatia [10]1 year ago

4 0

Answer:

15 installments

Step-by-step explanation:

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

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