Verbal Reasoning - Mental Ability Questions

In a certain code language, “NOTES” is written as “141520519” and “MAKAR” is written as “13111118”. How is “LOFTS” written in that code language?

BACTERIA : ILLNESS :: ____ : ____

If P denotes ÷ , Q denotes x, R denotes + and S denotes ­ then what is the value of 18Q12P4R5S6

Pointing to a boy in a photograph, Neena said, "He is the son of my grandmother's only daughter". How is Neena related to the boy?

In the following question, select the missing number from the given series.
9, 18, 72, 576, ?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_BC_Q_AB_P_R

If DECEMBER is coded as EDECBMRE then FEBRUARY will be coded as

Looking at the portrait of a girl, Sheesha, a girl, said, "Her mother is my grandfather's only daughter who has only one daughter and no sons". How is Sheesha related to the girl in the portrait?