I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
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T O W E L
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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?

Which part of London exists in France as well ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What does does this rebus picture means ?

What can you catch but never throw?

What is the next number in the series?

15 29 56 108 208 ?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.