1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What does this Rebus Picture means ?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

how come the second man dies?

How is a fly different from a mosquito?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Find the missing number in the sequence below:

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?