Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

Count the number of balls in picture below:

Find the next number in the series.
1 10 24 43 67 ?

If 1+9+8=1, what is 2+8+9?