I shave every day, but my beard stays the same. What am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?