Question

A sum of money invested at 5 per cent simple interest amounts to 1,380 in 2 1/2 years at at the rate of 6% r year find the sum​

Answer 1

Answer:

.

Step-by-step explanation:

.

Answer 2

Answer:

the answer is 4000

step-by-step explanation:

According to the problem,

Let sum be P

R=6%

time=Tyears

S.I=

100

P×6×T

S.I=Rs960

100

P×6×T

=960

P×T=16000----------------(1)

Now For sum

Sum=RsP,R=6%,T=5years

S.I=

100

P×6×(T+5)

=2160

100

P×6×T

+

100

P×6×5

=2160

100

16000×6

+

100

P×30

=2160

100

P×30

=2160−960

100

P×30

=1200

P=

30

1200×100

=Rs.4000

Therefore the Sum is Rs, 4000.

please mark it brainlest.