Recent questions tagged difficult

5 votes
1 answer
3
There are seven people A, B, C, D, E, F, G living in a building which has seven floors from $(1-7).$ Out of the seven people living six of them belong to a family and in ...
1 votes
2 answers
4
The square of two digit number(ab) divided by half of itself resultant added by 18 then divided by 2 then we get reverse of original number(ba). how many combination of a...
0 votes
2 answers
5
There are eight members P, Q, R, S, T, U, V, and W in a family. These eight persons belongs to three different generation, such that there are three married couples, whil...
8 votes
1 answer
6
Eight people A, B, C, D, E, F, G and H are sitting around a circular table facing the centre of the table but not necessarily in the same order. Each of them has a differ...
4 votes
1 answer
7
A, B, C, D, E, F, G and H are sitting around a circular table, facing the centre. Each of them has a different profession, viz doctor, engineer, architect, pilot, banker,...
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