Which one of the following is not a renewable resource?

Bull : Cow :: Tutor : ?

In the given arrangement, which element is 5th to the left of 4th letter from the right end?

Select the option that is related to the fourth term in the same way as the first term is related to the second term.

If 12 # 34 = 14 and 67 # 88 = 106, then 45 # 67 = ?

Hill is related to mountain in the same way as

Select the related word/letters/number from the given alternatives.

125 : 243 :: 64 : ( ?)

If 52 @ 15 = 15' and 38 @ 26 = 25', then 45 @ 31 = ?'. What will come in place of question mark?

Select the option that is related to the third word in the same way as the second word is related to the first word.