BRAIN TEASERS

# Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles

### Student exams

Two college seniors had a week of exams coming up. They decided to party instead.

Their biggest exam was on Wednesday and they showed up telling the professor that their car had broken down the night before due to a very flat tire and they needed a bit more time to study. The professor told them that they could have another day to study.

That evening, both of the boys crammed all night until they were sure that they knew just about everything. Arriving to class the next morning, each boy was told to go to separate classrooms to take the exam.

Each shrugged and went to two different parts of the building. As each sat down, they read the first question. "For 5 points, explain the contents of an atom."

At this point, they both thought that this was going to be a piece of cake, and answered the question with ease. Then, the test continued.

"For 95 points, tell me which tire it was."

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### First American woman in space

In 1983, at 7:33 am EDT, Space Shuttle Challenger was launched on its own second flight. This was the seventh shuttle mission, and the first to carry a woman crew member. Sally K. Ride, mission specialist, became America's first woman in space. During the mission, two communications satellites deployed (ANIK C-2 for TELESAT Canada and PALAPA-B1 for Indonesia). Canisters in the cargo bay held variety of experiments including ones studying effects of space on social behavior of ant colony in zero gravity. Ten experiments mounted on Shuttle Pallet Satellite (SPAS-01) performed research in forming metal alloys in microgravity and use of remote sensing scanner.
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