Question
If a class contains an abstract method, what must be
true about the class itself?Solution
If a class has even one abstract method, it means it's not fully implemented, and therefore it cannot be instantiated. To reflect this, the class itself must be declared abstract.
Who among the following person sits fourth to the left of P?
If all the persons are made to sit in alphabetical order in a clockwise direction with respect to A, then how many persons remain unchanged in their po...
Statements:
All Shirts are Pants
All Pants are Sweaters
All Sweaters are Tie
Conclusions:
I. Some Tie are Pants
II. All Sweaters are Shirts
If L sits second to the left of O then how many seats are between L and R when counted from the right of R?
How many persons sit between V and R when counted from the right of R?
A certain number of people are sitting in a row, facing north. Only 7 persons sit between F and U. F is at one of the extreme ends of the row. Only 9 pe...
Who among the following lives on the floor immediately above the floor of G?
If βXβ is related to βWβ and βTβ is related to βSβ in a certain way, then βUβ is related to which of the following?
...N, O, P, Q, R, S, T and U are sitting around a square table facing the centre of the table. Four of them are sitting at either of the corners while the ...
Who is Rβs husband?