The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. 

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 16 : 69 :: 24 : ? :: 31 : 144 

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row- 3, 43, 4
 Second row- 6, 241, 5
 Third row- 2, ?, 11
 (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed) 

Which letter cluster will replace the question mark (?) to complete the given series?
 WFBI, UCWB, SZRU, ?

Instructions :In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

Comprehension:

I would uncover the story that lay (1) ______ between the lines of the men’s exploits. Better still, I (2) ______ one of them tell it herself, with all her joys and doubts, her struggles and her triumphs, her heartbreaks, her achievements, the unique female way (3) ______ which she sees her world and her place in it. And who could be (4) ______ for this than Panchaali? It is her life, her voice, her questions, and her vision that I invite you (5) ______ 'The Palace of Illusions'.

Select the most appropriate option to fill in the blank No. 5.

Instructions :In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

Comprehension:

I would uncover the story that lay (1) ______ between the lines of the men’s exploits. Better still, I (2) ______ one of them tell it herself, with all her joys and doubts, her struggles and her triumphs, her heartbreaks, her achievements, the unique female way (3) ______ which she sees her world and her place in it. And who could be (4) ______ for this than Panchaali? It is her life, her voice, her questions, and her vision that I invite you (5) ______ 'The Palace of Illusions'.

Select the most appropriate option to fill in the blank No. 4.

Which of the f ollowing numbers will replace the question mark (?) in the given series?
 15, 27, 12, ?, 9, 33

Which of the follow ing numbers will replace the question mark (?) in the given series
 13, 14, 23, 48, 97, 178, ?