An investor deposited rupees one Lakh in a Savings Bank. Part of the money is invested at half yearly rate of 5% and the remaining at annual rate of 12%. At the end of the year, he received annual interest of rupees 11,600. Using matrix method, find out
Answers
Answered by
5
Answer:
Answer
Correct option is
A
0
Let x,y,z be the amounts deposited in different savings accounts
x in 5% savings account,y in 8% savings account,z in 8.5% savings account
x+y+z=7000
5x+8y+8.5z=55000
given that x=y
writing above linear equations in matrix form
[
2
26
1
17
][
x
z
]=[
7000
110000
]
[
x
z
]=
8
1
[
17
−26
−1
2
][
7000
110000
]
[
x
z
]=[
1125
4750
]
Hence amounts deposited in different accounts are 1125, 1125, 4750.
Answered by
0
Answer:
Different accounts are..
Step-by-step explanation:
1125
Similar questions