In a party, if each person shakes hands with all the persons present in the party and the total handshakes will be 66 then the total persons in that party will be -

If STARDOM is coded as HBAGDDB, then what will be code for WASHINGTON?

Introducing a boy Rahul says, "He is the son of the brother of the only daughter of my maternal grandfather". How is the boy related to the Rahul?

Choose the alternative mirror image.

Study the following information to answer the given questions:
In a certain code ‘a friend of mine’ is written as ‘4 9 1 6’  ‘mine lots of metal’ is written as ‘3 1 0 9’ and ‘a piece of metal’ is written as ‘7 1 6 3’.

What does ‘0’ stands for?

Find out the number of circles in the given figure:

How many triangles are there in the following figure?

A set is given, (B2, A1, F6, H8), such that its elements share a common property. Which of the given options does NOT have this property?