Find the number of triangles in the given figure

Raju is standing facing north. He goes 30 meters ahead and turns left and goes for 15 meters. Now he turns right and goes for 50 meters and finally turns to his right and walks. In which direction is he heading? 

How many such pairs of letters are there in the word TRANSCRIBE, each of which has as many letters between them in the word as in the English alphabet?

9 : 81 : : 12 : ?

In a language FIFTY is written as CACTY, CAR as POL, TAR as TOL, how can TARIFF be written in that language?

Which of the given figures is the correct image of the given figure?

In the following questions, select the term from the given options, which cannot be formed with the letter of the given word.
POWERMACHINE

Clock: Time:: Thermometer:?