From above given diagram , we can say that
The letters b and d are present in both the circles.

Correct Option: B

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.

Correct Option: D

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 .

As per the given above question , we can say that
A plant grows to become tree.
House is different from both plant and tree.

Correct Option: C

As per the given above question , we can say that
A plant grows to become tree.
House is different from both plant and tree.
From above it is clear that option ( C ) represents the best relationship between Tree, Plant, and House. As shown in given venn - diagram .

As per the above given question , we have
Water, Salt and Sugar are three different entities.

Correct Option: B

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.

Correct Option: C

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 .