Total cost of 3 apples, 2 bananas and 1 orange is Rs.10 and total cost of 2 apples, 3 bananas and 4 oranges is Rs. 5. What is the total cost of 1 apple, 1 banana and 1 orange?
4
5
3
2
Let cost of apple, banana and orange are X,y and Z
Then
3x+2y+z=10-(i)
2x+3y+4z=5-(ii)
Total cost :(x+y+Z)=
Add (i) and (ii)
5x+5y+5z=15
5(x+y+z)=15
x+y+z=3
Option 1)
4
This solution is incorrect
Option 2)
5
This solution is incorrect
Option 3)
3
This solution is correct
Option 4)
2
This solution is incorrect