Ravi invested a total amount of Rs....
Question

# Ravi invested a total amount of Rs. 65000 in three different schemes ( mathrm{A}, mathrm{B}, mathrm{C} ) with rate of interest 12 p.c.p.a., 16 p.c.p.a. and 18 p.c.p.a. respectively and earned a total interest of Rs. 10,180 in one year. If the amount invested in ( A ) is ( 72 % ) of the amount invested in ( C ) then what was the amount invested in scheme ( B )(a) Rs. 15000(b) Rs. 25000(c) Rs. 22000(d) Rs. 18000(e) cannot determine

Bank Exams
Maths
Solution
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Amoun of investment in A B & C be ( x, y & z ).
bo ( x+y+z=65000-0 )
( Rightarrow )
[
Rightarrow 12 x+16 y+18 z=1018000
]
Calculcting ( x ), y 4 z from is 4 of 4 in gived
[
begin{array}{l}
x=18000
y=2200
f z=25500
end{array}
]