Question

in what time will a sum of money dobule itselfat 15% annum
​

Answer 1

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Answer 2

Step-by-step explanation:

If the principal be x, then amount = 2x

We know that,

∴ SI = Amount - Principal = 2x - x = x

Time=

Principal×rate

SI×100

=

x×15

x×100

=

3

20

=6

3

2

years