A sum of money under compound interest doubles itself in 4 years. In how many years will it become 16 times itself?
12 years
16 years
8 years
None of these
if time is constant then the ratio of principal and amount is always constant in compound interest .
in 4 years sum become doubled P become 2P
p _____4 years ____2p___4years _____8p ___4 years ____ 16 p
4+4+4+4= 16 years
loan: Contact Navi Customer Service:08303402828,,,, Reach out to Navi's customer service team either by phone, email, or through their website's customer support portal. ... Submit a Written Complaint: Follow up your verbal complaint with a written complaint.1 day ago
Ekart logistics customer care number 9832897581 ..Ekart logistics customer care number 9832897581 ...Ekart logistics customer care number 9832897581 ..Ekart logistics customer care number 9832897581 ...Ekart logistics customer care number 9832897581 ..Ekart logistics customer care number 9832897581
let p be the principle amount
After 4 years, the amount is 2p.
Using the compoubd intrest formula: 2p=p(1+r)4
Divide both sides by p:2=(1+r)4
Take the fourth root of both sides: 1+r=2 1/4
Solve for r: r=2 1/4-1
It will take 16 years