(iii) S.I. = 3000, Rate = 5%, Time = 4 years.
4. For how many years should 9000 be deposited in a bank to get an
amount of 11,160 at 8% per annum rate of simple interest ?
2000 be given to get 17280 as amount
Answers
Answered by
0
Step-by-step explanation:
A = Rs.3993, P = Rs.3000, n = 3, r = ?
∴A=P(1+
100
r
)⇒3993=3000(1+
100
r
)
3
⇒
3000
3993
=(1+
100
r
)
3
⇒
1000
1331
=(1+
100
r
)
3
⇒(
10
11
)
3
=(1+
100
r
)
3
⇒1+
100
r
=
10
11
⇒
100
r
=
10
11
−1=
10
1
∴r=
10
100
=10%p.a.
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