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? 

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? 

ba_ba_bbaaa_bbb_ _aa 

Sailu's mother is the daughter of Kalyan's sister. How is Kalyan's mother related to Sailu's mother?

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

If ‘MERCURY’ is written as ‘FGIECAB’ in a code, how can ‘CURE’ be written in that code?

From the given alternatives, select the word that can be formed from the letters of the given word.
CIRCUMSCRIBE