1.

A coaching institute of English (subject) conducts classes in two batchesI and II and fees for rich and poor children are different. In batch I, ithas 20 poor and 5 rich children and total monthly collection is Rs. 9,000, whereas in batch II, ithas 5 poor and 25 rich children and total monthly collection is Rs. 26,000. Using matrix method,find monthly fees paid by each child of two types. What values the coachinginstitute is inculcating in the society ?

Answer» Fee for a rich child=x Rs
Fee for a poor child=y Rs
In batch I,
5x+20y=9000-(1)
In batch II
25x+5xy=26000-(2)
solving equation 1 and 2
x=1000Rs
y=200Rs.


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