CBSE Class 12 · 2015 · MatricesLong Answer

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Three schools A, B and C organized a mela for collecting funds for helping the rehabilitation of flood victims. They sold hand-made fans, mats and plates from recycled material at a cost of Rs. 25, Rs. 100 and Rs. 50 each. The number of articles sold are: hand-fans A , B , C ; mats A , B , C ; plates A , B , C .
Find the funds collected by each school separately by selling the above articles. Also find the total funds collected. Write one value generated by the above situation.

Answer: A: Rs. 7000, B: Rs. 6125, C: Rs. 7875; total Rs. 21000

Solution

Write the sales as a matrix (rows = article, columns = school) and the prices as a row .

So the funds are A: Rs. , B: Rs. , C: Rs. , and total .
Value reflected: helping and social responsibility towards flood victims.

CBSE Class 12 Board · 2015 · Subjective

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