(c) RS. ZIVJU
2. A sum of money becomes 1800 in
5 years and 2700 in 10 years. Find
VII the sum.
(BSRB)
(a) Rs. 1200 (b) Rs. 1400
(c) Rs. 1250. (d) Rs. 1000
Answers
Answered by
0
Answer:
MATHS
A sum of money becomes Rs.6,500 after 3 years and Rs.10,562.50 after 6 years on compound interest. The sum is -
A .
Rs.4,000
B .
Rs.4,500
C .
Rs.4,800
D .
None of these
December 27, 2019avatar
Narottam Janu
SHARE
ANSWER
Let the sum of Money be
′
P
′
.
A=P(1+
100
R
)
T
where R= Rate of Interest.
Amount after 3 years =6500
⇒6500=P(1+
100
R
)
3
⟶(I)
Amount after 6 years =10,562.5
⇒10562.5=P(1+
100
R
)
6
⟶(II)
From eq(I)
P
6500
=(1+
100
R
)
3
⇒(
P
6500
)
2
=(1+
100
R
)
6
⟶(III)
Putting eq(III) in eq(II)
10562.5=P(
P
6500
)
2
⇒10562.5=P×
P
2
(6500)
2
⇒P=
10562.5
(6500)
2
=4000
Hence, the sum of 4000.
don't forget to mark me as brain list plz plz plz plz plz plz plz
Similar questions