To solve this question, the user needs to carefully read and analyze the given statements to determine if they are true or false.
According to the statements:
Ram is taller than Manu but not as tall as Ravi.
Karim is taller than Dilip but shorter than Manu.
Ravi is the tallest among them.
From the given statements, we can conclude that Ravi is the tallest among all, and Ram is taller than Manu. Also, Karim is taller than Dilip but shorter than Manu, but we don't know where exactly Karim stands in terms of height among all.