Question

in what time will rs.72 become rs.81 at 6 1/4% p.a. simple interest

Answer 1

Answer:

2 years

Step-by-step explanation:

Principle=Rs.72

Rate of interest=6.25%

Amount=Rs.81

Simple interest=Amount -Principl

=81-72

=Rs.9

Simple interest=PTR/100

9=72×T×6.25/100

9=450T/100

T=(9×100)/450

T=2years

Answer 2

Answer:

2 years

Step-by-step explanation:

P=72

R=6 1/4=6.25%

A=81

T=?

SI=A-P

=81-72

=9

SI=P×R×T/100

=72×T×6.25/100

=450T/100

T=9×100/450

=900/450

=2yrs

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