Assumptions will be taken to sovle the problem. If there are 2 ducks and 4 sheep, legs and heads can be obtained as follows: 2 ducks= 2 heads
4 sheep= 4 heads
Total heads= 6.
2 ducks have 4 legs; total legs= 8
4 sheep have 4×4 legs= 16 legs.
Total legs= 8+16=24.
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