The price of 80 apples is equal to that of 120 oranges. The price of 60 apples and 75 oranges together is Rs.1320. The total price of 25 apples and 40 oranges is
Choices
A) 680	B) 620	C) 720	D) 480	E) 700
Let the price of one apple = a and price of one orange = b   The price of 80 apples is equal to that of 120 oranges   80a = 120b   =&gt; 2a = 3b ==&gt; b=2a/3 ------------(1)   price of 60 apples and 75 oranges together is Rs.1320   =&gt;60a + 75b = 1320   =&gt; 4a + 5b = 88 ==&gt; 4a + 5(2a/3) = 88 -------(from equation 1)   =&gt; 12a + 10a = 88 × 3   =&gt; 6a + 5a = 44 × 3   =&gt; 11a = 44 × 3   =&gt; a = 4 × 3 = 12   b = 2a/3   b = 2*12/3= 
<gadget id="calculator">2*12/3</gadget>
<output>8</output>
8   Total price of 25 apples and 40 oranges= 25a + 40b = (25 × 12) + (40 × 8) = 300 + 320= 
<gadget id="calculator">300 + 320</gadget>
<output>620</output>
620   Ans - 620
<result>B</result>
The price of 80 apples is equal to that of 120 oranges. The price of 60 apples and 75 oranges together is Rs.1320. The total price of 25 apples and 40 oranges is