Study the following question and statements, and decide which of the statements is/are sufficient to answer the question.
Question: J, K, L, M, N and O are standing in a row. If we arrange them according to their height from tallest to shortest, who is standing in the third place?
 Statements:
1. L is the tallest
2. J is taller than K
3. N is the shortest of all
4. K is taller than O

Jayant introduces a man to his friend as his wife's father's son. The man is Jayant's _____

What is the next term in this series?
L, D, O, E, R, F, ?

Find the next term in the following series:
31, 38, 44, 51, __

Choose the correct alternative to complete the pattern:
1224364860, 1122334455, 1020304050, ______

Find the odd one out.

A and B are brothers. C and D are sisters. A’s son is D’s brother. How is B related to C ?

Introducing a boy Rahul says, "He is the son of the brother of the only daughter of my maternal grandfather". How is the boy related to the Rahul?