Quantitative Aptitude - An amount doubles itself in 3 years.

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An amount doubles itself in 3 years.

An amount doubles itself in 3 years. When This amount can become 8 times of itself?

Total Answers and Comments: 8

Last Update: July 08, 2009 Asked by: titli_juit

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Best Rated Answer

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Submitted by: shashibsaini

Suppose Amount Was Rs 100.00 In 1st Year

1 To 3 Yrs - 200
4 To 6 Yrs - 400
7 To 9 Yes - 800

Answer is 9 Yrs

Above answer was rated as good by the following members:
Sriroshika, Bright Christopher, bhava_ni88, sivaict

March 19, 2008 08:42:18

pavitrasp

Member Since: March 2008 Contribution: 1

RE: An amount doubles itself in 3 years.

9 years...

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March 27, 2008 10:02:30

shashibsaini

Member Since: August 2006 Contribution: 5

RE: An amount doubles itself in 3 years.

Suppose Amount Was Rs 100.00 In 1st Year

1 To 3 Yrs - 200
4 To 6 Yrs - 400
7 To 9 Yes - 800

Answer is 9 Yrs

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3 0

Overall Rating: +3

July 08, 2008 01:35:42

kiranbr

Member Since: July 2008 Contribution: 1

RE: An amount doubles itself in 3 years.

9years

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July 08, 2008 22:17:56

meister730

Member Since: July 2008 Contribution: 1

RE: An amount doubles itself in 3 years.

1 to 2
2 to 4
4 to 8

at each step it takes 3 years so at the ent step it wud be 9 years

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July 13, 2008 08:51:16

Arunjhakhar

Member Since: July 2008 Contribution: 3

RE: An amount doubles itself in 3 years.

9 years

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July 18, 2008 09:56:50

sriharsha.ab

Member Since: July 2008 Contribution: 2

RE: An amount doubles itself in 3 years.

1 to 2 - 3 years
2 to 4 - 3 years
4 to 8 - 3 years
______________

- 9 years

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1 0

Overall Rating: +1

June 12, 2009 01:32:14

yogeswari.km

Member Since: June 2009 Contribution: 5

RE: An amount doubles itself in 3 years.

12 years 2x 3 then 8x ? 8x*3/2x 12 years

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July 07, 2009 23:53:42

bharathmarri

Member Since: July 2009 Contribution: 3

RE: An amount doubles itself in 3 years.

Let 'x' be the amount.

& this amount doubles itself in 3 years [Given]

i.e; x -- 2x in 3 yrs

i.e; 2x 3

> 8x 12

Therefore this amount become 8 times itself in 12 years

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