Find the missing number?

Identify the figure that best represents the relationship among the

ROSE, FLOWER, STONE

In a row of boys, Srinath is 7th from the left and Venkat is 12th from the right. If they interchange their positions, Srinath becomes 22nd from the left. How many boys are there in the row? 

ba_ba_bbaaa_bbb_ _aa 

If ‘GIVE’ is coded as 5137 and ‘BAT’ is coded as 924, how is ‘GATE’ coded?

Directions: In the following question four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one.

If in a certain language, COVET is written as FRYHW, then the code ‘SHDUO’ is used for which word?

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?