The CP of x apples and y mangoes is Rs. 8 more than CP of 3x apples any (y – 6) mangoes. IF the CP of an apple is Rs. 4 less than the maximum passible total CP (in Rs.) of an apple and a mango is
The CP of x apples and y mangoes is Rs. 8 more than CP of 3x apples any (y – 6) mangoes. IF the CP of an apple is Rs. 4 less than the maximum passible total CP (in Rs.) of an apple and a mango is
Option 1 -
24
Option 2 -
20
Option 3 -
12
Option 4 -
8
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1 Answer
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Correct Option - 2
Detailed Solution:Let the CP of apple be p
Then, px + (p + 4)y – 8 = p * 3x + (p+4) (y–6)
px +py +4y = 3px + py – 6p + 4y – 24 + 8
2px – 6p = 16
p (x–3) = 8
The maximum value of p is 8 at x = 4
Then, CP of an apple and mango is 8 + 12 = 20 Rs.
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