Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
Narendra Modi, Manmohan Singh, Atal Bihari Vajpayee, ?

Heera starts walking towards the east from her home to go to her college. She walks for 10 km in the east, takes a left turn, walks 20 km further and reaches her college. In which direction is her home with respect to her college?

In a certain code language, if EXECUTIVE is coded as 5351695 and SCRIPT is coded as 714279, then EXIST will be coded as?

In a certain code language, “PROP” is written as “67” and “RATE” is written as “46”. How is “MOCK” written in that code language?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

8 x 10 ÷ 20 - 5 + 14 = ?

Raman remembers that his marriage is before 20th July and after 13th July. His mother remembers that Raman’s marriage is after 16th July. His father remembers that Raman’s marriage is before 19th July. On which date of July is Raman’s marriage?

Mr.X is the only son of Ms. Y's grandfather. If Mr. X has no brothers or sisters and his father is Ms. Y's grandfather, then Mr. X is Ms. Y's ___.