Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

If an electric train is travelling south, then which way is the smoke going?

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

Take away the whole and some still remain. What is it?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What is black when you buy it, red when you use it, and gray when you throw it away?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Which country gets ill every time?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?