please answer this question from matrices.

Asked by  | 6th Apr, 2009, 04:42: PM

Expert Answer:

A trust fund has Rs30,000  to be invested in Bond A and Bond B

Let Rs x is invested in Bond A and Rs.(30,000-x) in bond B

in the form of matrices

Amount [x, (30,000-x)]  

Interest =

[x, (30,000-x)]  

interest on Rs x = 5x/100

interest on Rs(30,000-x) = 7(30,000-x)/100

add the two amnts and equate to a) Rs 1800                          (b) Rs 2000 to obtain x

Answered by  | 21st May, 2009, 10:04: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.