Verbal Reasoning - Mental Ability Questions

Pointing towards a boy Meera said 'He is the son of the only son of my grandfather.' How is that boy related to Meera?

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

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

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

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?

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?

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

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

_BC_Q_AB_P_R