As per the given above venn-diagram , we can say that
Total number of educated people = 3 + 6 = 9
Hence , 9 educated people are employed .

As per the given diagram , we can say that
Darken portion in above diagram represents that there are 2 military officers who are short but not strong.
Hence , required answer will be 2 .

According to question , we can say that
Women graduate sub?inspectors of police can be represented by the region common to all the three geometrical figures. Such region is marked '3'.
Therefore , option ( B ) is required answer .

From above given diagram , we can say that
The letters b and d are present in both the circles.
Therefore , option ( B ) is correct answer .

From above given question , we can say that
All mothers are women.
Some women are mothers.
Some mothers may be engineers.
From above it is clear that option ( D ) represents the best relationship between Women, Mothers and Engineers. As shown in given venn - diagram .

According to above given question , we can say that
Dog is different from tiger.
But both are carnivores.
From above it is clear that option ( C ) represents the best relationship between Dog, Carnivore and Tiger .

As per the above given question , we have
Water, Salt and Sugar are three different entities.
It shows that option ( B ) gives the best relationship between water, salt and sugar.As shown in given figure .

As we know that ,
Some Employers may be Doctors and vice-versa.
Some Employers may be Women and vice-versa.
Some Doctors may be Women and vice-versa.
Some Women Employers may be Doctors.
From above it is clear that option ( C ) represents the best relationship between Employers, Doctors and Women
. As shown in given venn - diagram .

According to above given question , we know that
Sparrow cames under the class birds.
But mice is different from the both.
From above it is clear that option ( B ) represents the best relationship between SparrowBirds and Mice . As shown in given venn - diagram .

According to above given question ,we can say that
Dogs come under the class animal.
Some dogs are pets.
Some other than animals are also pets.
Therefore, the correct diagram would be :