Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Move three sticks of the spiral below to form a square.

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

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?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Do You See It?

What jumps when it walks and sits when it stands?

What has one letter and starts with an E?

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