A sum of money amounts to 20,000 in 2 years and 22000 in 3 years. What is the sum ?
it is a simple interest question, not compound interest
Answers
Answered by
1
Answer:
Correct option is
B
3328
Given that,
P=Rs.20,000
R=8%
T=2years
As compounded annually, n=2.
Amount at the end of 2 years =P(1+100R)n
=20000(1+1008)2
=20000×100108×100108
=Rs.23,328
Compound Interest (C.I) =23328−20000=Rs.3328
Answered by
1
Step-by-step explanation:
Solution first ans
verified
Verified by Toppr
Correct option is
B
Rs. 128
⇒ P=Rs.20,000,T=2years and R=8%.
⇒ S.I.=
100
P×R×T
⇒ S.I.=
100
20000×8×2
∴ S.I.=Rs.3200.
⇒ C.I.=P(1+
100
R
)
T
−P
⇒ C.I.=20,000×(1+
100
8
)
2
−20,000
⇒ C.I.=23,328−20,000
∴ C.I.=Rs.3328.
⇒ C.I.−S.I=Rs.3328−Rs.3200=Rs.128.
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second ans
Solution
verified
Verified by Toppr
Correct option is
B
3328
Given that,
P=Rs.20,000
R=8%
T=2years
As compounded annually, n=2.
Amount at the end of 2 years =P(1+
100
R
)
n
=20000(1+
100
8
)
2
=20000×
100
108
×
100
108
=Rs.23,328
Compound Interest (C.I) =23328−20000=Rs.3328
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