Question

Mr. Ravi has to clear a loan of Rs 1100 . he pays Rs 50 as first monthly installment and then increases the installment by Rs10 every month . In how manu months will he be able to repay the loan?

Answer 1

an= 1100 [ a = first term, d = difference,
n = number of months ]
a=50
d = 10
an = a+ (n-1)d
1100 = 50 + (n-1) 10
1050= (n- 1)10
105 = n-1
n= 106


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Answer 2

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