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

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Why is Saturday stronger than Monday?

What word begins and ends with an E, but has only one letter?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

How can you make number one disappear by adding something to it?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

How many triangles can you count in the figure given?