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A trust fund has Rs. 35000 is to be inv...

A trust fund has Rs. 35000 is to be invested in two different types of bonds .The first bond pays `8%` interest per annum which will be given to orphanage and second bond pays `10%` interest per annum which will be given to an NGO (Cancer Aid Society) Using matrix multiplication , determine how to divide Rs. 35000 among two types of bonds , if the trust fund obtains an annual total interest of Rs. 3200 .

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The correct Answer is:
Thus , the trust invested Rs. 1500 in first type of bonds and Rs. (35000 - 15000) , i.e . Rs. 20000 in second type of bonds .
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ARIHANT PUBLICATION-MATRICES -CHAPTER PRACTICE (Very Short Answer Type Questions)
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