BRAIN TEASERS

# Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
The first user who solved this task is Sanja Šabović.
#brainteasers #mastermind

### A man is driving with his wife...

A man is driving with his wife at his side and his mother-in-law in the backseat. The women just won't leave him alone.

His mother-in-law says, "You're driving too fast!"

His wife says, "Stay more to the left."

After ten mixed orders, the man turns to his wife and asks, "Who's driving this car - you or your mother?"
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## Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

### Record speed

In 1967, the X-15 rocket plane achieved a world record speed of Mach 6.7, which is 4,520 mph or over a mile per second, with U.S. Air Force pilot Pete Knight. It reached an altitude of 192,100 feet (58,552 m). Its internal structure of titanium was covered with a skin of Inconel X, a chrome-nickel alloy. To save fuel, the X-15 was air launched from a B-52 aircraft at about 45,000 ft. Test flights between 8 Jun 1959 and 24 Oct 1968 provided data on hypersonic air flow, aerodynamic heating, control and stability at hypersonic speeds and piloting techniques for reentry used in the development of the Mercury, Gemini, and Apollo spaceflight programs. The X-15 reached 354,200 feet (67 miles) on 22 Aug 1963.«[Image: NASA artist's conception of the flight.]
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