Can you replace the question mark with the correct number?

Remove two matchsticks to make the below equation correct.

What's the next in the series?

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

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

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

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What English word has three consecutive double letters?