at what rate of interest per annum, the simple interest on a certain sum becomes 2/5
times of amount on 10 years at simple interest
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at what rate of interest per annum, the simple interest on a certain sum becomes 2/5
times of amount on 10 years at simple interest
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Step-by-step explanation:
SI=
5
2
P,t=10,r=?
100
Ptr
=
5
2
P
or
100
10×r
=
5
2
or r=
5
20
=4%
SI=
5
2
P,t=10,r=?
100
Ptr
=
5
2
P
or
100
10×r
=
5
2
or r=
5
20
=4%