Which is faster, Heat or Cold ? Explain.

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What does this Rebus Picture mean?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

A man is surviving on an island along with his friend. They have been starving for four days for food. Suddenly, they find a fisherman. The friend goes with the fisherman in order to catch the fish (if they can find any).

The fisherman returns after some time but he is alone and has some salmon that he had prepared. When asked, the fisherman tells him that his best friend fell off the boat and drowned in the water. Starving for so long, he eats the meal while crying for his friend.

After being rescued, he goes to a diner and orders salmon. When he eats his meal, he jumps and commits suicide. Why did he do it?

Find the next number in the series below

21 32 54 87 131 ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

A bomb exploded in a room full of married couples and no one died. How?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?