If A is the sister of C and C is the wife of D. How D is related to A?

From the given alternative , select the word which cannot be formed using the letters of the given words .
MOTLIEST 

Study the following diagram and answer questions based on it.
The diagram represents the likes of kids of a class.

The ratio of kids who like only Mars to those who like all the three is

If two symbols, '÷' and '×' and the two numbers '2' and '8' are interchanged, what will be the value of the following equation?
4 ×8÷2=?

Six friends are sitting in a circle and are facing the centre of circle. Ram is between Shayam and Mohan. Sita is between Mukesh and Rakesh. Rakesh and Mohan are opposite to each other.

Who are Neighbours of Mukesh?

INTELLIGENCE 

Direction: Read the following information carefully and answer the questions given below:

7 people – A, B, C, D, L, M and N are sitting in a single row facing towards the north (not necessarily in the same order). All are sitting at equal distances to each other. All of them are in different professions – Banker, Engineer, Professor, Actor, Principal, Actuary and Librarian. They are all planning to travel to different countries – Australia, Canada, France, Germany, Greece, Italy and Malaysia.
The person who is an Actor is sitting second to the left of M while the person who will travel to France is sitting third to the right of M. N is sitting second to the right of the person who is a Principal. N is neither an immediate neighbour of M nor is sitting at any of the extreme ends. Four persons are sitting between A and D. D is not an Actor and A is not sitting at any of the extreme ends. The person who will travel to Canada is sitting third to the left of D. Two persons are sitting between C and the person who is a Banker. N is not an immediate neighbour of C. L is sitting third to the left of the person who is an Actuary. The person who is a Librarian is sitting third to the left of the person who will travel to Germany. Four persons are sitting between the person who is an Engineer and the person who will travel to Italy. The person who is a Librarian will not travel to Australia but is an immediate neighbour of the person who will travel to Malaysia.

D will travel to which country?

Seven boys B1, B2, B3, B4, B5, B6 and B7 are sitting around a circular table, facing towards the centre (not necessarily in the same order). B3 is second to the left of B6. B1 is third to the left of B3. B7 is third to the left of B6. B4 is not the immediate neighbour of B6. B2 is not the immediate neighbour of B1, B5 is the immediate neighbour of B1 and B6. Three out of the following four options are similar by a certain logic and form a group. Which of the following does NOT belong to that group?