A man dies of old age on his 25 birthday. How is this possible?

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 ?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

There was a strange boy who was born before his father. How can this be possible?

What's a single-digit number with no value?

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?

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

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744