Choose the word which is least like the other words in the group

The word which means false reports that damage the reputation of a person:

Seismology is related to Earthquakes in the same way as Histology is related to

Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m on the first day.Then at what time will it rise on the 4th day?

In a queue, Sural is 9th from the back. Ram's place is 8th from the front. Rahul is standing in between the two. What could be the minimum number of boys standing in the queue?

If in a certain language CHARCOAL is coded as 45164913, and MORALE is coded .296137 how is 'COLLER' coded in that language?