Verbal Reasoning - Mental Ability Questions

In the following series, one letter is missing as shown by the question mark. Select the missing letter from the given options.

E, J, O, T, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

FT, JX, NB, RF, ?

Pointing to K, M said that she was the daughter of the only son of his grandfather. How M is related to K?

Among four cars, weight of C1 is twice the weight of C2. Weight of C3 is half of the weight of C2. C4 is 40 kg heavier than C2, but 40 kg lighter thanC1. What is the weight (in kg) of C4?

Choose the odd word/letters/number/number pair from the given alternatives.

In each of the following questions, a question is followed by information given in three statements. You have to decide the information given in which of the statements
is necessary and sufficient to answer the questions:

A, B, C, D and E are sitting in a circle. Are all of them facing the centre?

I. A is sitting second to the right of D; C is facing the centre and is not an immediate neighbour of D.
II. B, who is sitting between C and D, is second to the right of E, who is not an immediate neighbour of C. B and A are facing each other.
III. D is sitting on the immediate left of B, who is not sitting on the immediate left of A. E is on the immediate right of D.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following series, one term is missing as shown by the ?. Select the missing term from the given options.

AZ, BY, CX, DW, ?