A piece of land came to a person through three middlemen each gaining 20%. If the person purchased the land for Rs. 3,45,600 the original cost of the land was: 

The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was: 

Choose odd one out term among the following series:
 275, 396, 385, 891, 932

Which number will come in the place of question mark?
45, 55, 66, 78, 91, ?

The equidistant point from the vertices of a triangle is called its: 

Crop : Farm :: Ore : ?