Verbal Reasoning - Mental Ability Questions

The following question consist of two words each that have a certain relationship to each other, followed by lettered pairs of words . Select the lettered pair that has the same relationship as the original pair of words. 

Proscenium : Stage

In the following question, select the missing number from the given series.

4, 5, 8, 9, 12, 13, ?

Find the odd man out of the series 888, 440, 216, 104, 48, 22, 6 ?

If the last four letters of the word 'CONCENTRATION' are written in reverse order followed by next two in the reverse order and next three in the reverse order and then followed by the first four in the reverse order, counting from the end, which letter would be eighth in the new arrangement ?

Pointing to a man, a woman said "His mother is the daughter of my mother's  only daughter" . How is the man related to that woman?

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A) :   Razia Sultan was the daughter of Iltutmish. 

Reason (R)    :  Iltutmish was a rebel. 

If the LCM and HCF of two numbers are equal, then the numbers must be 

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A) :  Glass tumbler breaks in winter when hot water is poured in it.

Reason (R)    :  When hot water is poured. the outer surface of glass expands.