They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

In the picture given below, can you find out which digit will take place of the question mark?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

There are forty elephants and they have forty-fore heads. How can this be possible?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

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

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I have Rs.50 and I spend it in the way as below.

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?