Avg cost of 3 apples and 5 bananas isRs. 40.The avg cost of 5 apples and 8 bananas is Rs.65.Find the total cost of 15 apples and 15 bananas?  Options.
A) 75
B) 90
C) 80
D) 130
E) 110
Avg cost of 3 apples and 5 bananas is Rs. 40   (3 apple + 5 bananas) 8=40   therefore 1 apple cost is 40/8= 
<gadget id="calculator">40/8</gadget>
<output>5</output>
5, so 3 apple cost is 3x5=15 and 5 bananas cost is 5x5=25   75gain, avg cost of 5 apples and 8 bananas is Rs.65   (5 apple + 8 bananas) 13=65   therefore 1 apple cost is 65/13= 
<gadget id="calculator">65/13</gadget>
<output>5</output>
5, so 5 apple cost is 5x5=25 and 8 bananas cost is 8x5=40   So 15 apple cost is (15/a)=75 and 15 bananas cost is (15x5)=75   75NSWER:75
<result>A</result>
Avg cost of 3 apples and 5 bananas isRs. 40.The avg cost of 5 apples and 8 bananas is Rs.65.Find the total cost of 15 apples and 15 bananas?