Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you move 2 matchsticks to form four equal sized squares.

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

What two things can you never eat for breakfast?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Can you find the company name in the pictogram below?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?