Logical Reasoni...

Pointing to a photograph of a boy Suresh said, "He is the son of the only son of my mother." How is Suresh related to that boy?

Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?

Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?

There are two alphabetical series here. The first series is with the first letters only: STUVW. The second series involves the remaining letters: CD, EF, GH, IJ, KL.

CMM, EOO, GQQ, _____, KUU

Look at this series: 8, 22, 8, 28, 8, ... What number should come next?

Cup is to coffee as bowl is to

Reptile is to lizard as flower is to

Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?

ZA5, Y4B, XC6, W3D, _____

If A + B means A is the brother of B;
A - B means A is the sister of B
A x B means A is the father of B.

Which of the following means that C is the son of M?