Answer:
Total milk given by carabaos each day = 4 liters
Milk given by each carabaos everyday = 1/3
1/3 × 4 =4/3 liters
Let the number of carabaos be x.
x × 4/3 = 4
Total milk everyday ÷ Milk given by each carabaos
x = 4 ÷ 4/3
x =4×3/4
x = 3
Hence, there are 3 carabaos