Find the missing (?) in the series AIQ, BJR, CKS, DLT, ?, 

The birth date of Viaan is 9 March 2002. Find the day of the week of that day.

Six persons (U, V, W, X, Y, Z) sitting in a circle (not necessarily in same order). U and X are sitting opposite to each other. Z is between U and Y. W is opposite to Z. Who is sitting between V and X?

If 246*2 = 6, 870*3 = 11, then what should 735*5 be?

Babu is Rahim's neighbour and his house is 200 metres away in the north - west direction. Joseph is Rahim's neighbour and his house is located 200 metres away in the south - west direction. Gopal is Joseph's neighbour and he stay 200 metres away in the south - east direction. Roy is Gopal's neighbour and his house is located 200 metres away in the north east direction. Then where is the position of Roy's house in relation to Babu's ? 

Ravi goes to his school from his home. He walks 6 km and then turns to the right and walks 7 km. Again, he turns to the right and reaches his school after walking some distance. Now his face is in the West. What was the direction in which he started to walk?

Raju is Ramu's neighbour and he stays 100 metres away towards south - east. Venu is Ramu's neighbour and he stays 100 metres away towards south - west . Khadar is Venu's neighbour and he stay 100 metres away towards north west. Then where is the position of Khadar's home in relation to Raju's

Select the option that is related to the third number in the same way as the second number is related to first number.
19 :400 :: 24 :___