Which vehicle is needed to balance the scale?
Explanation :
Let us assume
Carriage = 2, the Car = 3 and the Bus = 6
6+3+2= 3+3+3
If we remove carriage it will be balancedCarriage = 2, the Car = 3 and the Bus = 6
6+3+2= 3+3+3
If we remove carriage it will be balanced