Step-by-step explanation:
The two buckets given here are
A = 7 lite bucket
B = 4 liter bucket
Now, fill the 7 liter bucket (A) completely and pour the water in to an empty 4 liter bucket (B).
The bucket B with 4 liter capacity will be completely filled in 4 liters of water and the water left in the bucket A will be 3 liters.
⇒ Bucket A has 3 liters of water. ... (1)
Now, drain off bucket B completely and fill it HALF.
Half of 4 liters is 2 liters.
⇒ Bucket B has 2 liters of water. .... (2)
Combining both the quantities of A and B , we get:
A + B = 3 + 2 = 5 liters
That is how we can measure the 5 liters of water form the given two buckets A and B.