What goes up but never comes down?

Solve the mathematical equation in the picture below.

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Can you find out who is the kidnapper in below Picture and why, Explain ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What work can one never finish?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?