Before Mount Everest was discovered, what was the highest mountain in the world?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

What's the next in the series?

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

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What word is pronounced the same if you take away four of its five letters?

Can you decipher the two rows to find the hidden word?

Decode this picture on T-Shirt and tell what it says ?