Question

$\large\underbrace{\bf{ \red{Question}}}$

In what time will a sum of money double itself at 6¼% p.a on simple interest.​

Answer 1

Let P be Sum.

SI= P

SI=P×R×T

100

T= SI×100

P×T

P×100

P×25

4

16 yrs. Answer.....

Answer 2

Answer:

Let R=

100

625

. According to the question,

Amount=2(Principle)

A=2P

S.I.=A−P

=2P−P

=P

S.I.=

100

P×R×T

P=

100×100

P×625×T

T=

P×625

P×100×100

T=16years

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