Which Country shares the longest boundary with

If 65 [70] 14 and 91 [91] 13, then what is the value of P in 78 [Z] 19?

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

72: 81:: 92: ?

If 49 × 23 = 41, 26 × 47 = 23 and 64 × 99 = 42, then 57× 68 = ?

Select the option in which the numbers share the same relationship as that shared by the numbers in the set given below:

(480, 238, 484)

If 51 @ 24 = 9' and 56 @ 22 = 8', then 72 @ 32 = ?'. What will come in place of question mark?

Select the set of numbers that is similar to the following set:

(23, 7, 24)

Given set:  337, 724, 652

Select the right analogous pair from the given options.

Melt : Liquid :: Freeze : ?