What month of the year has 28 days?

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

I am an odd number. Take away a letter and I become even. What number am I?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?