I give one lakh rupees to other one..then he paid the amount in first day 10 rupees,then next day 20,then next day he pay 40 rupees he continues the payment in day to day at multiply...How many days taken for repaying the amount?and how much amount pay that day?
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it is a gp
a = 10
r = 2
l = 1,00,000
n = ?
l = a(r^n - 1)/r-1
1,00,000 = 10(2^n-1)/9
he will take 17 days!
very interesting
at the last day he will pay 65,536
a = 10
r = 2
l = 1,00,000
n = ?
l = a(r^n - 1)/r-1
1,00,000 = 10(2^n-1)/9
he will take 17 days!
very interesting
at the last day he will pay 65,536
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