Count the number of lines in the image below ?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

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

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

What is at the end of a rainbow?

What Adam and Eve do not have but the rest of the people have?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

who is silent in the parliament?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?