Math, asked by swathu, 1 year ago

a certain amount of money doubles itself in 8yrs . in what time (in yrs) will it be 5 times of iitself on simple interest?

Answers

Answered by psethi
2
principal =x
Interest =x 
x= x*8*r/100
r=100/8
--------------= 
2x= x*n*100/8 *1/100
2=100n/800 
1600=100n
n= 16 years 


psethi: m saYinG that ni Quetion.. theY have ask For time ..n the time is 16 years ..
then nOw what r u askinG For .?
swathu: but mera options are diffent hey kya.. ?
swathu: i mean the options that i gave u are different from ur answer ji
psethi: hmm that i knOw..
psethi: so put it into DifficlutY Que and ask From Your teAcher
psethi: i Don't knOw about it
swathu: ahhh .. fine then.. anyways thanks for ur efforts... :)
swathu: fhir milenge... :)
psethi: hmm.its ok
psethi: :)
Answered by Anonymous
1
in 4 AND A HALF YEARS

swathu: can u tell me how?
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