Verbal Reasoning - Mental Ability Questions

If the position of the first, sixth digits of the number 2796543018 are interchanged, similarly the positions of the the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?

Choose the correct alternative that will continue the same pattern and replace the 'x' in the series 6,12,21,x,48

Pointing to a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man ?

Pointing towards a photograph kiran said to chotu, "I am the only daughter of this lady and her son is your maternal uncle " How is the kiran related to chotu's father  ?

Select the most suitable Venn diagram to represent the following relationship.

India, Maharashtra and Kerala

Cassock : Priest :: ? : Graduate

Heed : Neglect : :Pacify : ?

Which of the following diagrams indicates the best relation between Doctors, Teachers and Engineers?