Why is 6 afraid of 7?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Replace the question mark in the picture below.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Below rebus represent famous DiCaprio movie. Can you name it?