If the HCF of two numbers is 6 and LCM of the same two

Study the given pattern carefully and select the number that can replace the question mark [?] in it?

Select the missing number from the given responses:

Find the missing number.

UDGO : FWTL : : MXRC : ?

Study the given matric carefully and select the number from among the given options that can replace the question mark (?) in it.

Find the missing letter.

Find the missing term in the following question:

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

First row: 14, 17, 40

 Find the missing number.