Ringworm is a disease caused by

Postage Meter was invented by

Which of the following is a volatile memory of a computer?

Identify the diagram that best represents the relationship among the given classes.
Singer, Musician, Businessman

If a mirror is placed o the line MN, then which figure is the right image of the given figure?

A boy and a girl are playing in a park. The only daughter of the maternal grandfather of the girl, is the sister of the boy's father. How is the boy related to the girl?

Sonal is standing to the north of Amar and to the west of Mahi. In which direction is Mahi standing with respect to Amar?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?
MN_O_NN_M_NO