Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What do you answer even though it never asks you questions?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

When it is alive we sing, when it is dead we clap our hands. What is it?